Stable Road Acquisition Corp.and Momentus Inc. a commercial space company offering in-space infrastructure services,announced that Chris Hadfield, David Siminoff, and Vince Deno will join the Board of Directors of the combined company that will result from the previously announced combination of Stable Road, a special purpose acquisition company, and Momentus. The appointments are contingent upon approval by Stable Road's stockholders and the expected completion of the pending business combination that would result in Momentus becoming the first publicly listed space infrastructure company. Chris Hadfield is a retired astronaut, engineer, and Royal Canadian Air Force pilot, from which he retired as a Colonel.

Chris's military career includes roles as a fighter pilot for North American Aerospace Defense Command (NORAD), and a test pilot with the U.S. Air Force and U.S. Navy. He has served on three space flights, becoming the first Canadian to walk in space in 2001 and serving as Commander of the International Space Station in 2013. In his career as an astronaut, Mr. Hadfield has served in numerous senior roles related to advanced research and technology development and worked closely with Canadian, U.S., and Russian space agencies.

He received a BSc in Mechanical Engineering from the Royal Military College in Kingston, Ontario, and an MSc in Aviation Systems from the University of Tennessee. David E. Siminoff currently runs Thompson Peak Capital, his family office investment vehicle and sits on several charitable boards, including the AstroPhysics Department at Princeton University, and the Wyoming Wind Coalition. He served as Audit Chair for Coupons.com/Quotient for several years before and then after its successful public offering.

For almost a decade, he served as the Chief Creative Officer of Shmoop University Inc., an educational technology website, which he founded in 2008. Mr. Siminoff spent a decade from 1993 to 2003 as an analyst and portfolio manager at Capital Group Companies, making early investments in Yahoo!, AOL, Amazon, eBay, Netflix, and many other formative media companies. He was named Best of the Buyside by Institutional Investor.

He later co-founded 4INFO Inc., a leading mobile search service. From 2003 to 2007, he served as Chairman, President and Chief Executive Officer of Spark Networks SE, parent company of Spark Networks USA, LLC, known as “JDate”, an online dating company. Mr. Siminoff received both BA and MBA degrees from Stanford University and a Master of Fine Arts from the University of Southern California School of Cinematic Arts.

Vince Deno currently serves as the Chief Executive Officer of Newton Mobility Inc., an automotive technology company, which he founded, and Founder of International Whiskey, a bespoke consulting firm for the spirit industry, and as a Mentor at Techstars, a venture capital and private equity company. Previously, Mr. Deno joined Millennium Space Systems Inc. in 2006 prior to the company's acquisition by The Boeing Company, and served as a Director of Engineering and in various positions of increasing responsibility, including President, Chief Operating Officer and Chief Innovation Officer. Mr. Deno is a veteran of the United States Air Force and holds a BS in Electrical Engineering from the University of Cincinnati and a graduate degree in Space Studies from the International Space University, Illkirch-Graffenstaden, France, and is an MBA Candidate at the University of California, Berkeley, Haas School of Business.

The other individuals who will comprise the post-combination Board of Directors of the company, subject to approval by Stable Road's stockholders, include Mikhail Kokorich, Founder and Chief Executive Officer of Momentus; Brian Kabot, Chairman and Chief Executive Officer of Stable Road; and Dawn Harms, Chief Revenue Officer of Momentus.