Genstar Capital, a middle-market private equity firm, has promoted Eli P. Weiss to principal and David J. Golde to vice president. Mr. Weiss joined the firm in 2008 and was named a vice president in 2011. Prior to Genstar, he has served as an associate as Hellman & Friedman and as an analyst at Greenhill & Co. Mr. Golde joined Genstar in 2006 as an associate and rejoined the firm in 2010 as a senior associate. He began his career as an investment banking analyst at Credit Suisse First Boston. Based in San Francisco, Genstar focuses on selected sectors within the life science, healthcare services, software and software services, insurance and financial services, and industrial technology industries.