He is the co-founder, chairman and CEO of WasteFuel,[1] a company that produces renewable fuels using proven technologies to address the climate emergency and revolutionize mobility.

He previously Co-founded and served as CEO of i(x) Net Zero, a leading sustainable investing platform which is publicly traded on the London Stock Exchange (IX.).

After serving in that role, Neilson became a member of the White House Advance Team, traveling ahead of President Clinton to manage meetings and events around the world.

[4] After leaving the White House, Neilson returned to Seattle and began working for EvansGroup[5] where he helped launch the public affairs practice.

Stanford became a beloved figure in Seattle, rallying parents, students and the business community to turn around a failing school system.

Shriver and Bono wanted to create a version of the National Rifle Association of America for the poorest people in the world, specifically Africans who lived under a dollar a day and grappled with AIDS, Tuberculosis, Malaria, famine and other problems.

Following his time at the Bill & Melinda Gates Foundation, Neilson moved to New York and became executive director of the Global Business Coalition on HIV/AIDS.

[11] During his time as Executive Director Neilson recruited over one hundred companies to join the coalition and led a variety of advocacy efforts aimed at stopping the AIDS pandemic.

[12] Neilson worked with Brad Pitt launch Make It Right,[13][14] a foundation for rebuilding New Orleans's Ninth Ward after Hurricane Katrina.

[20] i(x) is structured as a permanently capitalized holding company—not a fund—for investors who want to create both risk-adjusted market rate returns and positive social impact.