Grocery delivery app Instacart on Wednesday announced it has nabbed yet another former Facebook executive: Longtime Facebook ads chief Carolyn Everson, who left the company in June. Everson is moving to Instacart mere weeks after Fidji Simo, former head of the Facebook app, took over as CEO.

Instacart is the largest of the remaining privately held delivery companies, but faces competition from Uber‘s growing delivery business as well as upstarts like GoPuff. It was valued at $39 billion in a March funding round and is widely expected to go public in the next year.

Everson will join Instacart on Sept. 7 in the role of president, succeeding current President Nilam Ganenthiran, who will become a strategic advisor to the CEO. Everson will oversee several divisions, including advertising, partnerships, policy and legal, Instacart said.

Everson spent more than 10 years at Facebook where she served as the face of the company for major advertisers as the vice president of its global business group.

Facebook Chief Diversity Officer Maxine Williams in July said the departures of Simo and Everson are not such a bad thing because they’re moving into high-ranking leadership roles elsewhere.

Instacart said with the addition of Everson, 55% of its executive leadership team is now female.