Marty Chavez Takes On a Top Role at Alan Waxman’s Sixth Street

R. Martin Chavez, a long-time force behind Goldman Sachs Group Inc.’s trading and technology architecture, is expanding his role at Alan Waxman’s $50 billion money manager.

Chavez, who has been a senior adviser since earlier this year, said he is becoming vice chairman and partner at Sixth Street, where he will work on deals and seek to bring his programming expertise to new areas of financial services. He calls the appointment “a kind of coming home, a reunion.”

“In many ways I see this as going back to my roots,” Chavez said in an interview. “Building software to ...