Marc Brutten was a partner in the formation company that became TriNet Corporate Realty Trust, Inc. (NYSE: TRI) in 1993. It was the first REIT to give stakeholders the opportunity to invest in commercial properties which were triple-net-leased to major corporations.

TriNet was active in providing post-leveraged buyout management with sale-leaseback financing used in the recapitalization of new companies. It became one of the largest providers of sale-leaseback financing in the US. In November 1999, the company merged with Starwood Financial Trust, now known as iStar Financial, Inc. (NYSE: SFI).