San Francisco-based tech firm Thumbtack has hired former Cummins Inc. lawyer Melanie Margolin as chief legal officer. 

Margolin joins Thumbtack as the online marketplace for local services, from electricians and landscapers to photographers and personal trainers, builds its executive team. The company, which has raised more than $400 million from investors, also recently hired former executives from eBay Inc. and Orbitz to serve as chief financial officer and chief operating officer, respectively.