Linda WarnockLinda brings a wealth of international experience to the Perlan Project. After earning a BA in Spanish, Linda worked abroad for 7 years with an International Development agency in Mexico, the Philippines and South Sudan. Following her return to the US,...
Team Member Bios
Stewart Tattersall
Stewart TattersallStewart began living near Lake Tahoe 25 years ago and has been flying since 2000. He has been watching the weather since he was young as a skier/sailor and now as a pilot. Stewart is a man of many talents and is a key part of ground operations. His...
Dennis Tito
Dennis TitoDennis earned a B.S. in astronautics and aeronautics from NYU College of Engineering, and a M.S. and honorary doctorate of engineering from Rensselaer in engineering science. He began his career at NASA’s jet propulsion laboratory where he was responsible...
Armistead Sapp
Armistead Sapp Armistead Sapp retired in 2016 as Executive Vice President and Chief Technology Officer of SAS Institute. As head of SAS’ Research and Development Division, where he led R&D employees worldwide to produce the highest quality software in areas such...
Silvio F. Ricardi
Silvio F. RicardiSilvio F Ricardi grew up in Buenos Aires, Argentina, with dreams of being a crop duster. In 1989, he moved with his family to Melbourne, Australia where he began his flight training. In 2010 he married Laurie Harden Ricardi (Glider Girl) owner of...
Tago de Pietro
Tago de PietroEspartago (Tago) De Pietro, an American who grew up in Mendoza, Argentina, was in charge of coordinating the operations and logistics for the Perlan Project Phase One in Argentina. He started working in the project early on with Einar Enevoldson and...
John “JDM” Miller
John "JDM" MillerAfter a three-year hiatus, JDM returns to Perlan, this time as Data Scientist. In 2010, JDM co-founded The Perlan Project 501c3, and for seven years served as Vice Chairman of the Board of Directors. In 2020, JDM retired from Intel Corporation as a...
Alan Murray
Alan MurrayAlan is a recently retired American Airlines Captain and Check Airman who lives in Grapevine, Texas with his wife Karen. Alan grew up in the United States (Ohio and Georgia), as well as England and Nigeria in his youth. He began flying while a college...
Dean Sigler
Dean Sigler Dean has 34 years’ experience as a technical writer working for electronics and engineering firms. He documented systems and processes for “wafer fabs,” large-scale manufacturing plants that turn silicon wafers into computer chips. His design and...
Mike Malis
Mike MalisMike is an active commercial glider and tow pilot with over 2000 hrs and 35 years experience. Mike recently retired from Lockheed Martin as a Staff Engineer, working composites structures research for high altitude vehicles, and hold several patents in this...