Morgan Missen, head of talent at Foursquare is leaving the social start-up to form a Silicon Valley-based talent agency.

Missen’s new enterprise will focus on finding and growing engineering teams for Silicon Valley start-ups. It will also act as an advocate for engineers, who need guidance on negotiating equity and compensation plans, reported AllThingsD Monday.

“There’s no agency that focuses on this in particular,” Missen told AllThingsD’s Mike Isaac in an interview Saturday. “The engineers we’ll work with are the people that don’t need help finding jobs, just help understanding the way to get the most out of their offers.”

According to the article, Missen’s departure comes after she spent a year with Foursquare as the point person responsible for engineering growth, expanding the three-year-old Company from a few engineers, to more than 100 to date.