AGC Partners—The Boston-based boutique investment bank has added Russell Klein as a partner in its Internet and digital media group, working out of the firm’s Silicon Valley office. Prior to joining AGC, Klein was the CEO of venture-backed SendMe, a direct-to-consumer entertainment company he co-founded and ran. Prior to SendMe, he was an entrepreneur-in-residence with General Catalyst Partners, executive vice president of corporate development for public companies ZDNet and later CNET Networks, and was a vice president at Broadview. He has nearly 20 years of transaction and management experience spanning in consumer Internet, digital media, ad-tech/marketing services and mobile sectors. AGC, which started in 2003, has completed 251 technology M&A and growth equity transactions.