He is the former CEO of Alliance Building Services, one of the largest privately held building service providers in North America[1] and current owner of multiple sports franchises for teams in Minor League Baseball and United Soccer League, including the Richmond Flying Squirrels, Montgomery Biscuits and Union Omaha.

[5] Green formed First Quality Maintenance, a subsidiary of Alliance, out of a frustration with mediocre janitorial service companies that overcharged landlords and tenants.

[5][7] In 2009, Alliance provided maintenance services for the inaugural seasons of the new Yankee Stadium and Citi Field, the home of the New York Mets.

[2] Green and Botel negotiated to a buy a large stake in the Connecticut Defenders from owner Lou DiBella.

[2][3][9] He negotiated and closed the deal to buy the franchise from owners Warren Buffett, Walter Scott, Jr., and Bill Shea.

[11] In 2019, Green and Botel took their experience in the sports industry and negotiated to buy an expansion franchise from the United Soccer League (USL).

[13] In 2024, Green sold the Storm Chasers to Diamond Baseball Holdings in order to focus on the development of Union Omaha.

[14] Green was a national board member of the advocacy group Third Millennium and a founder of its New York City chapter.

Union Omaha also announced a free partnership with CHI Health and Nebraska Medicine as its jersey sponsors in honor of 1st responders.

Green Vision acts as an ambassador for these organizations as well as pinpointing areas where financial support will have the greatest impact.

[21] Green is also highlighted as a baseball and New York Mets historian in the 2010 documentary on Billy Joel's Last Play at Shea.