Buzz Aldrin

Since retiring from NASA and the Air Force, Col. Aldrin has remained at the forefront of efforts to ensure America’s continued leadership in human space exploration.  He devised a master plan for missions to Mars – the “Aldrin Mars Cycler” – a spacecraft transportation system with perpetual cycling orbits between Earth and Mars.  Dr. Aldrin learn more →

Charles Bolden

Nominated by President Barack Obama and confirmed by the U.S. Senate, retired Marine Corps Maj. Gen. Charles Frank Bolden, Jr., began his duties as the twelfth Administrator of the National Aeronautics and Space Administration on July 17, 2009. As Administrator, he leads the NASA team and manages its resources to advance the agency’s missions and learn more →

Vint Cerf

Vint Cerf is vice president and chief Internet evangelist for Google. Cerf served as a senior vice president of MCI from 1994-2005. Widely known as one of the “Fathers of the Internet,”, Cerf is the co-designer of the TCP/IP protocols and the architecture of the Internet. He received the U.S. National Medal of Technology in learn more →

Rebecca Keiser

Rebecca Spyke Keiser was named NASA’s associate deputy administrator for strategy and policy in June 2012, an expansion of her duties and portfolio which began when she was named as the NASA associate deputy administrator for policy integration in August 2010. In this position, Keiser reports directly to Deputy Administrator Lori Garver as the primary learn more →

Miles O’Brien

Miles O’Brien is a veteran, freelance broadcast and web journalist who focuses on science, technology and aerospace. He is the Science Correspondent for the PBS NewsHour, and a regular correspondent for the PBS documentary series FRONTLINE and the National Science Foundation Science Nation series. For nearly seventeen of his thirty years in the news business, he worked for CNN learn more →

Dennis Tito

Dennis A. Tito is the Chief Executive Officer of Wilshire Associates Incorporated, a leading provider of investment management, consulting and technology services. Tito earned a B.S. in Astronautics and Aeronautics from NYU College of Engineering and a M.S. from Rensselaer in Engineering Science. He began his career as an aerospace engineer with NASA’s Jet Propulsion learn more →

Grant Anderson

Mr. Anderson is a Paragon co-founder.  He has been designing power, thermal and life support systems for human rated spacecraft since 1985.  Since 1999, Mr. Anderson has lead the Thermal Control System and Environmental Control and Life Support System concept and design for every human rated spacecraft program undertaken by Lockheed Martin.  He served as learn more →

Penelope Boston

Dr. Penelope Boston is Director of the Cave and Karst Studies Program and Associate Professor in the Earth & Environmental Sciences Dept. at New Mexico Institute of Mining & Technology, in Socorro, NM. Boston is also Associate Director for Academics at the National Cave and Karst Research Institute in Carlsbad, NM. She received her PhD learn more →

Robert Braun

Dr. Robert D. Braun has over 25 years experience performing design and analysis of planetary exploration systems as a member of the technical staff of the NASA Langley Research Center and the Georgia Institute of Technology. His research has focused on systems’ aspects of planetary exploration, where he contributed to the design, development, test and learn more →

Kendall Brown

Dr. Kendall Brown leads the Exploration and Missions Systems Office at NASA’s Marshall Space Flight Center (MSFC) in support of the agency’s Human Spaceflight Architecture Team. He is currently leading Mars entry, descent, and landing studies for human and robotic precursor missions, with an emphasis on understanding the propulsion systems for both descent and ascent, learn more →

Charles H. Campbell

Charles H. Campbell NASA Johnson Space Center – Applied CFD and Aeroscience Branch Background: Dr. Campbell has over twenty-five years of experience at the NASA Johnson Space Center in computational and experimental hypersonic aerothermodynamics acquired during support to multiple NASA activities. During the last five years, he has served as the Principal Investigator for the Orbiter learn more →

Chris Carberry

Chris Carberry is the Executive Director and co-founder of Explore Mars, Inc. a nonprofit which was created to advance the goal of sending humans to Mars within the next two decades. The organization also encourages the use of STEM curriculum in the classroom to instill a desire to pursue space exploration for future generations. Carberry learn more →

Christian Carpenter

Mr. Carpenter received a Bachelor of Aerospace Engineering from Auburn University in 2000. From 2000 to 2005, Mr. Carpenter served as an aerospace engineer contractor at the NASA Glenn Research Center (GRC). At NASA GRC, he worked on NASA’s Evolutionary Xenon Thruster (NEXT) that established a world record for longest life gridded ion thruster and the High learn more →

Joe Cassady

Joe Cassady is a graduate of Purdue University where he majored in Aeronautics and Astronautics. He received a Bachelors Degree in 1981 and a Masters Degree in 1983. His course of study for the Masters Degree emphasized Electric Propulsion and Orbital Mechanics. While pursuing his Master’s Degree, Joe worked as a Researcher at the Air learn more →

John Carrico

John Carrico has more than 20 years of flight dynamics experience including rendezvous, low-Earth, geostationary, lunar, libration point, asteroid, and military space missions. John was the flight dynamics lead for the NASA IBEX mission and is on the NASA LCROSS flight dynamics operational team. John also served as a senior orbit analyst for the Naval learn more →

Darlene Cavalier

Darlene Cavalier is the founder of Science Cheerleader.com, a site that promotes the involvement of citizens in science and science-related policy featuring the Science Cheerleaders, current and former NFL and NBA cheerleaders-turned-scientists and engineers. The Science Cheerleaders perform at events across the nation to playfully challenge stereotypes, inspire the 3 million little cheerleaders in the learn more →

Jonathan Clark

Dr. Jonathan B. Clark is an Associate Professor of Neurology and Space Medicine at Baylor College of Medicine and teaches operational space medicine at BCM’s Center for Space Medicine (CSM). He also is the Space Medicine Advisor for the National Space Biomedical Research Institute (NSBRI). He is a Clinical Assistant Professor in the Department of learn more →

Anjan Contractor

Mr. Anjan Contractor is a Senior Mechanical Engineer at Systems and Materials Research Corporation (SMRC) in Austin, TX. SMRC has been engaged in Aerospace and Defense research and development since 1998 in the areas of manufacturing technologies, nondestructive evaluation, sealants and coatings, and energetics. Over the years, SMRC has been involved in a vast array learn more →

Doug Cooke

Doug Cooke is Associate Administrator for the Office of Exploration Systems Mission Directorate. The Exploration Systems Mission Directorate is responsible for managing the development of flight hardware systems for future human exploration beyond low Earth orbit, including the moon, near Earth asteroids, Mars and its moons and other destinations. This includes development of critical technologies, learn more →

Jeffery R. Davis

Jeffrey R. Davis, MD, MS currently serves as Director, Space Life Sciences, as the Chief Medical Officer for the NASA Johnson Space Center, and as the Director of the NASA Human Health and Performance Center (NHHPC). The Space Life Sciences Directorate (SLSD) provides the research and technology development required for exploration, as well as all learn more →

David F. Dinges

David F. Dinges, Ph.D., is Professor of Psychology in Psychiatry, Chief of the Division of Sleep and Chronobiology in the Department of Psychiatry, and Associate Director of the Center for Sleep and Respiratory Neurobiology in the University of Pennsylvania School of Medicine. He is also a member of Penn’s Institute for Neurological Sciences, the Psychology learn more →

Bret Drake

Mr. Drake is currently leading the future Mission Planning and Analysis activities for the Exploration Missions and Systems Office at NASA’s Johnson Space Center. For the past several years Mr. Drake has led the Agency in the design and analysis of human exploration mission approaches beyond low-Earth Orbit including missions to the Moon, Near-Earth Objects, learn more →

Pascale Ehrenfreund

Dr. Pascale Ehrenfreund is Research Professor of Space Policy and International Affairs at the Space Policy Institute of George Washington University’s Elliott School of International Affairs. During the last decade Dr. Ehrenfreund was Professor at Nijmegen, Leiden and Amsterdam Universities in the Netherlands. She led the Astrobiology Laboratory at Leiden Institute of Chemistry since 2001 learn more →

Frank Eichstadt

Frank Eichstadt developed space station module primary structures and outfitting designs, crew and crew health care systems and shuttle flight experiments from 1984 to 1996.  He was the Director of Product definition for SPACEHAB from 1996 to 2006, and was SPACEHAB’s architecture lead for their Lunar Exploration Systems Concept Exploration and Refinement study in 2005. learn more →

Robert J. Ferl

Rob Ferl is the Director of the Interdisciplinary Center for Biotechnology Research at the University of Florida. He has launched several spaceflight experiments and conducted numerous experiments in spaceflight and planetary analog environments studying the effects of spaceflight and potential planetary habitats on plant molecular biology. His lab had two experiments on Space Shuttle missions STS-93 and STS-131, learn more →

James Garvin

Dr. James B. Garvin is NASA’s Chief Scientist, serving the Agency and the Administrator as the primary advisor for the entire NASA science portfolio. His duties include advising the senior leaders of the Agency on matters that range from how science fits into the Vision for Space Exploration to the basic scientific research and development learn more →

Michele Gates


Michael Gazarik

Dr. Michael Gazarik has over 25 years experience in the design, development, and deployment of spaceflight systems. He has contributed to the development of technology with application to NASA’s Exploration Systems, Space Operations and Science missions. Prior to this appointment, Gazarik served as the deputy chief technologist at NASA Headquarters, focusing on enabling effective implementation learn more →

Greg Gentry

Greg Gentry has a Bachelor’s of Science in Aeronautical Engineering from California Polytechnic, San Luis Obispo. He was a member of the Rockwell International Shuttle Orbiter Team in Palmdale CA, building and testing Orbiter ECLSS systems prior to their delivery to Kennedy Space Center. After that he was a Lockheed Martin Test Project Engineer leading learn more →

William Gerstenmaier

William H. Gerstenmaier is the associate administrator for the Human Exploration and Operations Directorate at NASA Headquarters in Washington, DC. In this position, Gerstenmaier provides strategic direction for all aspects of NASA’s human exploration of space and cross-agency space support functions of space communications and space launch vehicles. He provides programmatic direction for the continued learn more →

Farnaz Ghadaki

Farnaz Ghadaki is an executive marketing and management professional, and on the board of directors at the Canadian Space Commerce Association (CSCA).  Farnaz has held multi-disciplinary roles in a variety of industries including space, telecommunications, wireless, and electronic manufacturing.  Her expertise include strategic marketing, public relations, event management, business development and product lifecycle management. Farnaz learn more →

Vanessa Gomez

Vanesa Gomez is a MSc in Spaces Studies candidate at the International Space University in Strasbourg, France. She studied Computer Science Engineering and has been working in the software development industry since 2005. Given her personal interest in space and robotics, she decided to study at ISU and has been accepted at NASA/JPL for her internship learn more →

James Green

NASA: Acting Director, Mars Exploration Program; Director, Planetary Science Division. More coming soon…

John Grunsfeld

John M. Grunsfeld was named Associate Administrator for the Science Mission Directorate at NASA Headquarters in Washington, D.C. in January 2012. He previously served as the Deputy Director of the Space Telescope Science Institute in Baltimore, managing the science program for the Hubble Space Telescope and the forthcoming James Webb Space Telescope. Grunsfeld’s background includes learn more →

Jennifer Heldman

Dr. Jennifer Heldmann completed her undergraduate studies at Colgate University in Hamilton, NY, earning a Bachelor’s degree in Astrogeophysics. She began studying Mars under the direction of Dr. Jim Bell of Cornell University by analyzing the large-scale mineralogical composition of Mars through the use of Hubble Space Telescope (HST) data. Heldmann then received her Master’s learn more →

Josh Hopkins

Hopkins leads a team of engineers who develop plans and concepts for a variety of future human exploration missions, including visits to asteroids, Lagrange points, and the moons of Mars. He is responsible for the Plymouth Rock mission study for human exploration of Near Earth Asteroids using the Orion crew exploration vehicle. In a similar learn more →

Vlad Hruby

Dr. Vlad Hruby is the president and founder of Busek Co. Inc.  Prior to establishing Busek, he worked at AVCO Everett Research Laboratory with development of Magneto Hydrodynamics (MHD) energy conversion as the main focus.  Since Busek inception in 1985, the company has concentrated on advanced energy conversion and space propulsion.  Dr. Hruby is a learn more →

G. Scott Hubbard

Professor Hubbard’s research interests include the study of both human and robotic exploration of space with a particular focus on technology and missions for planetary exploration, especially Mars. Prof. Hubbard is also an expert on the emerging entrepreneurial space industry and serves as the Director of the Stanford Center of Excellence for Commercial Space Transportation learn more →

Bernhard Hufenbach

ESA Directorate of Human Spaceflight

Bruce Jakosky

Prof. Jakosky teaches undergraduate and graduate courses in both Earth and planetary geology and extraterrestrial life, including both the science and the societal and philosophical issues relating to the science. His research interests are in the geology of planetary surfaces, the evolution of the martian atmosphere and climate, the potential for life on Mars and learn more →

John Karcz


Marc Kaufman

Marc Kaufman is a longtime reporter, foreign correspondent and editor with The Washington Post and Philadelphia Inquirer. He is currently working on a book about the Curiosity mission to Mars for National Geographic Books, which is scheduled for release in late summer, 2014.  He also writes regularly for the National Geographic website, and less regularly now for the Post. learn more →

Mark Kinnersley


Dominic Man-Kit Lam

He was born in Swatow, grew up in Hong Kong. He studied under two Nobel Laureates at Harvard Medical School before joining the Harvard Faculty and subsequently became Professor of Ophthalmology and Chairman of Center for Biotechnology at Baylor College of Medicine in Houston. He is the president of the World Eye Organization.

John Langford

John S. Langford is the Chairman and CEO of Aurora Flight Sciences Corporation, which he founded in 1989. Langford is a native of Atlanta, Georgia. He received his Bachelors degree in Aeronautics (1979), Masters in Aeronautics and Defense Policy degrees (1985 & 1983) and Ph.D. in Aeronautics and Public Policy (1987) from MIT. Prior to learn more →

Bas Lansdorp

Bas Lansdorp is a born entrepreneur, who sees potential and opportunity where others shy away. He is the co-founder of the Mars One Foundation, a not-for-profit organization that plans to land humans on Mars in 2023. Lansdorp received his Master of Science in Mechanical Engineering from Twente University in 2003. For five years, Lansdorp worked learn more →

Kris Lehnhardt

Dr. Kris Lehnhardt is an Attending Physician and Assistant Professor at The George Washington University (GWU) School of Medicine and Health Sciences, where he specializes in Emergency Medicine and Aerospace Medicine.  He has trained with Flight Surgeons from the Canadian Space Agency, the Canadian Forces, and NASA and is a graduate of the International Space learn more →

Gilbert V. Levin

A native of Baltimore, Maryland, Gilbert V. Levin graduated from Forest Park High School and entered the Johns Hopkins University School of Engineering in 1941. In 1944, during World War II, in his junior year, he joined the U.S. Maritime Service, where he trained as a shipboard radio operator. After serving on various merchant ships learn more →

Joel Levine

Dr. Joel S. Levine is Research Professor, Department of Applied Science, College of William and Mary, Williamsburg, Virginia.  In 2011, Levine retired after 41 years at NASA as Senior Research Scientist, Science Directorate, NASA Langley Research Center, Hampton, Virginia.  From 2007 to 2008, Levine served as the Mars Scout Program Scientist, Mars Exploration Program, Science learn more →

John Logsdon

Dr. John Logsdon is Professor Emeritus of Political Science and International Affairs at George Washington University’s Elliott School of International Affairs. Prior to his leaving active faculty status in June 2008, he was on the faculty of the George Washington University for 38 years; before that he taught at the Catholic University of America for learn more →

Taber MacCallum

Mr. MacCallum is a Paragon co-founder. He is responsible for overseeing business development, proposals, marketing, branding, customer relations, strategic partnerships, technology development and IP. Mr. MacCallum is co-designer and patent holder for the Autonomous Biological System, a long duration plant and aquatic animal life support system. He was also the design lead for the Jet learn more →

Saralyn Mark

Saralyn Mark, MD, an endocrinologist, geriatrician and women’s health specialist, was the first Senior Medical Advisor to the Office on Women’s Health within the Department of Health and Human Services for 11 years and to the National Aeronautics and Space Administration (NASA). As Senior Medical Advisor, Dr. Mark was responsible for the development and analysis learn more →

Paul Mahaffy

Paul Mahaffy is the Chief of the Atmospheric Experiments Laboratory in the Solar System Exploration Division at NASA Goddard. He has participated for many years at Goddard Space Flight Center in study of planetary atmospheres and development of space qualified instrumentation. His main research interests are: (1) Planetary science, especially chemical and isotopic composition of learn more →

Todd May

Todd May is program manager of the Space Launch System (SLS) Program Office, located at NASA’s Marshall Space Flight Center in Huntsville, Ala. Named to the post in August 2011, he is responsible for directing SLS program activities, which will lead to a new U.S. heavy-lift launch vehicle for NASA’s next generation of human space learn more →

Jim Masciarelli

Jim Masciarelli is a Staff Consultant in the Systems Engineering division at Ball Aerospace & Technologies Corp. He has 25 years of aerospace experience including roles in sensor and algorithm development, spacecraft development, GN&C, flight mechanics, software, and structural and dynamics analysis. He is the lead systems engineer for the Vision Navigation Sensor, a flash learn more →

Dan McCleese

Dr. Dan McCleese is chief scientist for NASA’s Jet Propulsion Laboratory. In this role, he is responsible for leadership of the scientific and research community at JPL, and serves as the focal point for interactions with universities and the external research community. He is the principal investigator for the Mars Climate Sounder instrument on NASA’s learn more →

Steve McDaniel

Dr. McDaniel is an avid amateur Mars researcher specializing in Martian astrobiology. Most recently as a member of the 2008 Swedish Polar Expedition, he conducted microbiology on Martian analog gullies on Arctic desert islands of Svalbard (“Terrestrial gullies and debris flows tracks on Svalbard as planetary analogs for Mars,” Reiss, et al., Geo. Soc. America, learn more →

Doug McCuistion

Until his retirement in December 2012, after more than 20 years with NASA, Doug McCuistion was the Director of the Mars Exploration Program. As Mars Exploration Program Director he oversaw the major science goals, technologies and missions of the Program, lead development of future Program and mission strategies, including robotic exploration and preparing for human learn more →

Chris McKay

Christopher P. McKay is a planetary scientist at NASA Ames Research Center, studying planetary atmospheres, astrobiology, and terraforming. McKay majored in physics at Florida Atlantic University, where he also studied mechanical engineering, and received his PhD in astrogeophysics from the University of Colorado in 1982. McKay has done research on planetary atmospheres, particularly the atmospheres learn more →

Meredith M. McKay

NASA: Deputy Director, Human Exploration and Operations Division Office of International and Interagency Relations

Brett McMickell

Dr. M. Brett McMickell is currently the Technical Manager of Human Space Advanced Development at Honeywell Defense and Space.  In this role, he leads internally and externally funded development programs that support human space exploration missions. Dr. McMickell’s team was recently recognized with a Honeywell Team Award for development of a new momentum control system.  learn more →

Michael Moloney

Michael Moloney is the Director of the Space Studies Board and the Aeronautical and Space Engineering Board at the National Research Council of the National Academies. Since joining the NRC in 2001, Dr. Moloney has served as a Study Director at the National Materials Advisory Board (NMAB), the Board on Physics and Astronomy(BPA), the Board on learn more →

Kathy Nado

Ms. Kathy J. Nado rejoined NASA at NASA Headquarters in July 2009, as the Commercialization Program Executive in the Exploration Mission Systems Directorate (ESMD).  She was then detailed to the Associate Administrator of ESMD as Chief of Staff from August 2009 through February 2010.  After the release of the FY 2011 Budget Request in February learn more →

Scott Pace

Scott Pace is the Director of the Space Policy Institute and Professor of the Practice of International Affairs at the George Washington University’s Elliott School of International Affairs. His research interests include civil, commercial, and national security space policy, and the management of technical innovation. From 2005-2008, he served as the Associate Administrator for Program learn more →

Richard J. Phillips

For more than 20 years, Phillips has worked with our nation’s leading companies and political leaders to help build leadership positions for companies, products, issues and ideas. Phillips is president of Phillips & Company, a management consulting firm that helps leading companies achieve sustainable revenue growth through strategic communications and business development campaigns.  With a learn more →

Marshall Porterfield

Dr. D. Marshall Porterfield is Division Director for Space Life and Physical Sciences at NASA headquarters in Washington DC where he oversees the Human Research, Physical Sciences, and Space Biology Programs. The division includes the designee NASA liaison for the International Space Station National Lab, management of extramural grants and research programs, as well as learn more →

Mike Raftery

Michael Raftery is the deputy program manager for Boeing’s International Space Station (ISS) program. In that role, he leads Boeing as prime integrating contractor for NASA’s ISS program to design, test, launch and operate the orbiting laboratory. Previously, Raftery was the capture team leader for the Orion Crew Exploration Vehicle (CEV) program. Raftery was responsible learn more →

James Reuther

Dr. Reuther currently serves as the Deputy Director of the Space Technology Program in the Office of Chief Technologist of the National Aeronautics and Space Administration (NASA) Headquarters. Previously, Dr. Reuther served as the Lead of the Test and Verification (T&V) Office for the Orion spacecraft development. After graduating from the University of California Davis learn more →

Samuel Scimemi

Mr. Scimemi is the Director for International Space Station at NASA Headquarters within the Human Exploration and Operations Mission Directorate. Mr. Scimemi has 27 years experience in human space flight, earth and space science missions as both a contractor and civil servant. His background spans development of complex space systems, testing in extreme conditions, and real-time crew operations.  He has been learn more →

Luis Sentis

Luis Sentis is an Assistant Professor in the Department of Mechanical Engineering at The University of Texas at Austin since January 2010. Between 2007 and 2009 he was a Postdoctoral Fellow at Stanford University. He received his Ph.D. in 2007 from Stanford University and his B.S. (Honors Thesis) from the Polytechnic University of Catalonia (UPC) learn more →

Andrew Steele

Andrew Steele uses traditional and biotechnological approaches for the detection of microbial life in astrobiology and solar system exploration. A microbiologist by training and Astrobiologist by choice, his principle interest is in developing protocols, instrumentation and procedures for life detection in samples from the early earth and elsewhere in the solar system. His interest in learn more →

Adam Steltzner

Dr. Adam Steltzner was the lead engineer and development manager for entry, descent and landing (EDL) of the Mars Science Laboratory (MSL) Curiosity rover project at the Jet Propulsion Laboratory. The Curiosity mission captured the attention of the world on August 5, 2012 when it successfully landed on Mars using a novel sky crane system. Prior to learn more →

Szymon Stuglik

Szymon Stuglik is currently pursuing his MSc in Space Studies at the International Space University in Strasbourg, France. He also holds a MSc in Electronics and Telecommunication from Silesian University of Technology located in Gliwice, Poland. For his Master thesis Szymon designed and developed a scheduling algorithm for large ground station networks for the ESA learn more →

Rick Tumlinson

Space News named Rick one of the 100 most influential people in the space field and is considered one of the people who helped create the current commercial space industry. He led the team that took over the Mir Space Station as the world’s first commercial space facility, signed up financier Dennis Tito to become learn more →

Artemis Westenberg

Artemis Westenberg is President and Director, and co-founder of Explore Mars, Inc. She intends to see humans walk on Mars within the next two decades. Artemis has been a lobbyist for various causes and organisations for 37 years, starting with a successful lobby for her grammar school when 17. Since 2000, Artemis has been involved in learn more →

Richard S. Williams

Dr. Williams serves as NASA’s Chief Health and Medical Officer and is responsible for the oversight of all medical aspects of all national and international NASA missions involving humans. He holds an M.D. degree from the Virginia Commonwealth University (Medical College of Virginia), and completed residencies in General Surgery at Wright State University and in Aerospace learn more →

Thomas Wilson

Thomas Wilson is a currently undertaking his MSc in Space Studies at the International Space University in Strasbourg, France, after graduating from his MPhys in Astrophysics degree from Cardiff University. Whilst at Cardiff, Thomas studied transit timing variation of exoplanets for his Master thesis. He has also conducted research into plasma physics at Gent University learn more →

Richard Zurek

Dr. Richard Zurek serves as the Chief Scientist for the Mars Program Office at JPL and continues as the Project Scientist for the Mars Reconnaissance Orbiter. MRO finished its two-year primary science phase in November 2008, but continues with an Extended Science Phase for another two years. As a researcher, Dr. Zurek has studied the learn more →