[2] He is a member of Psi Upsilon and received an honorary doctorate of engineering from Rensselaer Polytechnic Institute on May 18, 2002 and is a former scientist of the NASA Jet Propulsion Laboratory.

[4] In 1972, he founded Wilshire Associates, a major provider of investment management, consulting and technology services in Santa Monica, California.

[5] Wilshire uses quantitative analytics to analyze market risks – a method Tito is credited with helping to develop by applying the same techniques he used to determine a spacecraft's path at JPL.

[14][15] She was born in Tokyo, has an economics degree and relocated to New York in 1995, raising a child prior to her marriage to Dennis.

[21] In February 2013, Tito announced his intention to send a privately financed spaceflight to Mars by 2018,[22] stating that the technology exists already and that the problems that need to be solved are only the rigor of a 501-day voyage psychologically and physically for the human crew.

[23][24] However, in November 2013, Tito and other Mars Inspiration team members admitted that their plan was impossible without significant assistance and funding from NASA.

[25] On 12 October 2022, SpaceX announced that Dennis and Akiko Tito will be on the crew of the second commercial spaceflight of Starship around the Moon.