International Space Development Conference 2026: June 4-7, 2026

Hilton McLean Tysons Corner, McLean, Virginia

International Space Development Conference 2026: June 4-7, 2026

Hilton McLean Tysons Corner, McLean, Virginia

ISDC 2026: June 4-7, 2026

Dining & Keynotes

Join us for a series of curated meal events designed to spark conversation and highlight the most influential voices shaping our future. These sessions offer a unique opportunity to learn from keynote speakers and celebrate our community’s award winners alongside your fellow attendees. Part of what makes this experience unique is the chance to share a table with people from every corner of the space community, ranging from those who have spent their lives in the industry to the next generation of explorers. 

Meal tickets are available for purchase directly through the online registration portal. If you completed your registration before April 26, 2026, you can purchase add-on meal tickets which will automatically be liked to your registration.

Please be aware that all online meal sales will close on May 31, 2026.

Thursday, June 4, 2026: Lunch - Aarti Holla-Maini, Director, United Nationals Office for Outer Space

Thursday Lunch Keynote Speaker

Aarti Holla-Maini

Director, United Nations Office for Outer Space Affairs

Aarti Holla-Maini is the Director of the UN Office for Outer Space Affairs (UNOOSA), having taken up post on 18th September 2023 following her appointment by United Nations Secretary-General António Guterres. Ms. Holla-Maini brings over 25 years of experience in the space and satellite sector, working predominantly with international organizations and regulators. Prior to the United Nations, she held the post of Secretary-General of the Global Satellite Operators Association. Under Read More

Keynote Speaker: Aarti Holla-Maini, Director, UN Office for Outer Space Affairs (UNOOSA)
Presentation: Title to be announced
Special Event: Presenting of the NSS Space Pioneer Award to UNOOSA
Master of Ceremonies: Dr. Fredrick Jenet, Founder and Executive Director, Expanding Frontiers


Thursday Lunch Menu

  • Starter: Arugula Salad – fennel, apple, orange, pomegranate, cucumber, lime vinaigrette
  • Beef: Grilled Flank Steak – herb polenta, brussels sprouts, baby carrots, cabernet demi glaze
  • Chicken: Pan Seared Chicken Supreme – corn succotash, asparagus, Virginia cherry tomatoes, thyme jus
  • Vegetarian: Eggplant Cannelloni – caponata veg, romesco sauce, grilled asparagus, basil
  • Dessert: Tiramisu – ladyfinger cookies, mascarpone cheese, cocoa

Thursday, June 4, 2026: Dinner - Dr. James Green, Former NASA Chief Scientist

Thursday Dinner Keynote Speaker

Dr. James L. Green

Former NASA Chief Scientist

Jim Green, now retired, was a scientist and senior advisor in the Office of the Chief Scientist at NASA. Prior to this appointment, he had been NASA’s Chief Scientist and was the longest serving director of the Planetary Science Division with the overall programmatic responsibility for the New Horizons spacecraft flyby of Pluto, the Juno spacecraft to Jupiter, and the landing of the Curiosity rover on Mars, just to name Read More

Keynote Speaker: Dr. James Green, Former NASA Chief Scientist
Presentation: The Search for Intelligent Life Beyond our Solar System
Special Events:

Presenting of NSS Ad Astra Award to John F. Kross
Presenting of NSS Chapter Awards
Master of Ceremonies: Dr. Sherry Bell, National Space Society


Thursday Dinner Menu

  • Starter: Gem Salad - parmigiano, red onion, butter croutons, caesar dressing, grape tomatoes
  • Chicken: Roasted Chicken Breast - pancetta, wild mushrooms, red wine, swiss chard, kohlrabi puree
  • Pork: Slow Braised Pork Belly - creamy polenta, sauteed corn and spinach, apple cider reduction
  • Vegetarian: Cauliflower Steak - cauliflower, blistered heirloom tomato, gremolata, romesco sauce
  • Dessert: Triple Chocolate Mousse Cake - dark, milk and white chocolate mousse

Friday, June 5, 2026: Lunch - Jeffrey Manber, CEO, Voyager Technologies

Friday Lunch Keynote Speaker

Jeffrey Manber

Special Representative to the Chairman and CEO, Voyager Technologies

Jeffrey Manber is President of International and Space Stations at Voyager Technologies. He also serves as Chairman of the Board for Nanoracks (since acquired by Voyager). Jeffrey is the Co-Founder and was the first employee of Nanoracks. He served as the Chief Executive Officer from 2009 until 2021 where he broke barriers for access to space and oversaw the growth of numerous commercial International Space Station programs. Jeffrey also directed Read More

Keynote Speaker: Jeffrey Manber, Special Representative to the Chairman and CEO, Voyager Technologies
Presentation: Title to be announced
Master of Ceremonies: Camisha L. Simmons, Principal | Managing Member, Simmons Legal PLLC


Friday Lunch Menu

  • Starter: Grilled Seasonal Fruit Salad - grilled peach or pear (seasonal), spring mix lettuce, crumbled goat cheese, cornbread croutons, raspberries, toasted pecans, sherry and fig dressing
  • Chicken: Lemon and Thyme Grilled Chicken Breast - roasted baby carrots, fingerling potatoes, haricot verts, mushroom cream
  • Fish: Pan Roasted Cod - warm potato green bean cherry tomato, olive salad with garlic white wine sauce
  • Vegetarian: Coconut Chickpea & Zucchini Curry, cumin pilaf and grilled broccolini
  • Dessert: Key Lime Tart - graham cracker crust, whipped cream

Friday, June 5, 2026: Dinner - Gerry Griffin, Apollo Flight Director Mission Control

Friday Dinner Keynote Speaker

Smiling older man with glasses, bald head, wearing a light blue shirt indoors.

Gerry Griffin

Apollo Flight Director Mission Control

Gerry Griffin is the former Director of NASA’s Lyndon B. Johnson Space Center in Houston. His career in the United States space program began in 1960 and has included senior positions in government and industry. At NASA, in addition to his position as Director of the Johnson Space Center, he also served as the Deputy Director of the John F. Kennedy Space Center in Florida and the Hugh F. Dryden Read More

Fireside Chat: Gerry Griffin, Apollo Flight Director Mission Control and Rod Pyle, NSS Director of Communications, Author, and Editor-in-Chief, Ad Astra Magazine
Special Events:

Governors' Message: Col. Karlton D. Johnson, USAF (Ret.), NSS Chief Executive Officer & Chairman 
Presenting of NSS Chris Pancratz Activist of the Year Award
Presenting of NSS Excellence Awards
Presenting of NSS Distinguished Service Merit Award
Master of Ceremonies: Isaac Arthur, Host and Executive Producer, Science & Futurism with Isaac Arthur on YouTube and NSS President

Dinner Sponsored by the Heinlein Prize Trust

Friday Dinner Menu

  • Starter: Harvest Salad - roasted vegetables, house made ricotta, sunflower seeds, pomegranate vinaigrette
  • Beef: Grilled Flat Iron Steak - crushed fingerling potato, spring onion, cherry tomatoes, haricot verts, peppercorn jus
  • Fish: Atlantic Salmon - roasted fennel, fried caperberries, saffron risotto
  • Vegetarian: Pan-seared Gnocchi - spinach and butternut squash, cherry tomatoes, pine nuts and parmesan
  • Dessert: Summer berry fruit tart with lemon mascarpone cream

Saturday, June 6, 2026: Lunch - Michael López-Alegría, Former NASA Astronaut/Chief Astronaut, Axiom Space

Saturday Lunch Keynote Speaker

Smiling man wearing a pink shirt and blue blazer against a light background.|Head-and-shoulders portrait in a blue suit and pink shirt, smiling.

Michael López-Alegría

Chief Astronaut, Axiom Space

Michael López-Alegría is a decorated astronaut who returned to low-Earth orbit for the sixth time in 2024 as commander of Axiom Mission 3. He also commanded Axiom Space’s first private astronaut mission to the International Space Station in 2022, known as Axiom Mission 1. “Mike L-A” (as he’s known to the space community) is involved in both operational and business development efforts within Axiom Space. He has more than 40 Read More

Keynote Speaker: Michael López-Alegría, Former NASA Astronaut / Chief Astronaut, Axiom Space
Presentation: Title to be announced
Special Event:
Presenting of the NSS Arthur C. Clarke Award to David Brin, Astrophysicist and Novelist
Master of Ceremonies: Gabriel Rothblatt, Executive Director, US Space Walk of Fame Foundation Vice-Chair, Board of Directors, National Space Society


Saturday Lunch Menu

  • Starter: Spinach Salad - walnuts, peaches, radicchio, blackberry, cherry tomato, pomegranate dressing
  • Beef: Seared Bistro Steak - Yukon gold potato mash, roasted baby zucchini, charred grape tomatoes, red wine
  • Fish: Seared Seabass - cannellini beans and wilted spinach, Tuscany olive and sundried tomato relish
  • Vegetarian: Heirloom Cauliflower - turmeric-tahini dressing, toasted chickpeas, pistachio dukkah
  • Dessert: Carrot Cake - cream cheese frosting, spiced caramel sauce

Saturday, June 6, 2026: Dinner - Harrison H. "Jack" Schmitt, Apollo 17 NASA Astronaut

Saturday Dinner Keynote Speaker

Professional portrait of a smiling older man with gray hair and glasses, wearing a dark suit, light blue shirt, and patterned tie.

Dr. Harrison H. "Jack" Schmitt

Apollo 17 NASA Astronaut

Harrison Hagan Schmitt landed in the Valley of Taurus-Littrow as the only scientist and the last of 12 men to step on the Moon during the Apollo Program. Schmitt consults with a number of commercial and governmental entities on aerospace and Earth and space science issues. He also continues to participate in research and publications related to his December 1972 exploration of the valley of Taurus-Littrow on the Moon. Significant Read More

Keynote Speaker: Dr. Harrison H. "Jack" Schmitt, Apollo 17 NASA Astronaut 
Presentation: Apollo 17's History in the Dust
Special Events:
Presenting of NSS Apollo Legacy Award to Harrison H. "Jack" Schmitt
Presenting of Rothblatt Space Settlement in Our Lifetime Prize
Presenting of NSS Gerard K. O’Neill Space Settlement Contest Grand Prize Award
Master of Ceremonies: Col. Karlton D. Johnson, USAF (Ret.), NSS Chief Executive Officer & Chairman, NSS Board of Governors


Saturday Dinner Menu

  • Starter: Heirloom Tomato Salad - mozzarella, baby arugula, basil, heirloom tomatoes, basil pesto, balsamic glaze
  • Beef: Braised Beef Short Rib - garlic and herb polenta, brussels sprouts, baby carrots, cabernet demi glaze
  • Chicken: Slow Roasted Chicken Breast - ratatouille, charred broccolini, sweet onions, chicken and herb jus
  • Vegetarian: Baked Eggplant Parmesan - mozzarella cheese, pine nuts, basil, tomato coulis, parmigiano reggiano
  • Dessert: Mixed Berry Cheesecake - chambord raspberry coulis

Sunday, June 7, 2026: Lunch - Dr. Lindy Elkins-Tanton, Principal Investigator, NASA Psyche Mission

Sunday Lunch Keynote Speaker

Dr. Lindy Elkins-Tanton

Director, Space Sciences Laboratory at UC Berkeley

Lindy Elkins-Tanton is a planetary scientist and the Principal Investigator of the NASA Psyche space mission. She is Director of the University of California, Berkeley Space Sciences Laboratory. Previously, she was a Vice President at Arizona State University, Director of the Department of Terrestrial Magnetism at the Carnegie Institution for Science, and faculty at MIT. Elkins-Tanton’s research concerns the formation and evolution of rocky planets, volcanic activity and extinctions on Read More

Keynote Speaker: Dr. Lindy Elkins-Tanton, Principal Investigator, NASA Psyche Mission; Director, Space Sciences Laboratory at UC Berkeley
Presentation: Title to be announced
Special Events: 
Presenting of the NSS Space Pioneer Award to Firefly Aerospace
Master of Ceremonies: Dr. Pascal Lee, Vice President for Planetary Development, National Space Society; ISDC 2026 Conference Chair


Sunday Lunch Menu

  • Starter: Butternut Squash Salad - roasted squash, mizuna lettuce, crumbled goat cheese, pumpkin-sunflower granola, pomegranate, walnut dressing
  • Pork: Pan-seared Pork Chop - roasted apple and fennel, creamy mash potatoes, whole grain mustard sauce
  • Chicken: Roasted Bone-in Chicken Breast - sweet potato, Cuban mojo sauce, garlic puree, charred brussels sprouts
  • Vegetarian: Crisp Panisse Vert-spiced yogurt labneh, marinated green beans
  • Dessert: Black Forest Cake - sweet cherry tart, vanilla whipped cream

Sunday, June 7, 2026: Dinner - Bill Diamond, President and CEO, SETI Institute

Sunday Dinner Keynote Speaker

Bill Diamond

CEO, SETI Institute

Bill Diamond is a Silicon Valley technology veteran and current President and CEO of the SETI Institute in Mountain View, California. The SETI Institute is a nonprofit astrophysics and astrobiology research and education organization focused on the study of life in the Universe. Prior to joining the Institute, Mr. Diamond held various executive management positions in applied technologies, most recently at the optical networking company, Oclaro, Inc. Mr. Diamond has over Read More

Keynote Speaker: Bill Diamond, President and CEO, SETI Institute
Presentation: Title to be announced
Special Event: Presenting of the NSS Space Pioneer Award to Keith Cowing
Master of Ceremonies: Rod Pyle, NSS Director of Communications, Author, and Editor-in-Chief, adAstra Magazine


Sunday Dinner Menu

  • Starter: Cobb Salad - free range egg, pickled cucumber, endive, green goddess dressing
  • Beef: Seared Beef Tenderloin - Yukon gold potatoes, smoked carrot puree, roasted baby zucchini, red wine cipollini onions
  • Fish: Roasted Mahi Mahi - lemon garlic cream, Yukon gold potato and carrot mash, grilled asparagus, lemon preserves
  • Vegetarian: Celeriac Milanese-marinated Maitake, shaved celery, radish, truffled crème toufu
  • Dessert: Magnum Bar - milk chocolate mousse and almonds, sable cookie, caramel sauce


Meal Policies and Dietary Information

Please review these catering guidelines to ensure a smooth experience:

  • Dietary Needs: A vegetarian option is provided for every meal event. Our team makes every effort to accommodate Kosher, vegan, and allergy-free requests, though we cannot guarantee that every specific requirement can be met.
  • Refunds and Deadlines: There are no refunds for meal tickets and no menu substitutions once the ordering cut-off date has passed.
  • On-Site Sales: We strongly encourage booking in advance. Any tickets sold on-location will be extremely limited and offered at a higher price.
Need more information?
Reach Out to Us.