Joele Frank, Wilkinson Brimmer Katcher works for Grubhub as it merges with Netherlands-based Just Eat Takeaway to create the world's biggest online food delivery service outside China.
The all-stock deal values Grubhub, which spurned overtures from Uber Technologies, at $7.3B.
The merger creates a company with leadership positions in the four most profitable food delivery markets (US, UK, Netherlands and Germany) and a greater ability to leverage investments in technology, marketing and restaurant services.
Matt Maloney, Grubhub CEO/founder, will join Just Eat's management board and lead North American operations.
The merger is expected to be completed during the first quarter of 2021
Joele Frank, Wilkinson Brimmer Katcher's Eric Brielmann and Kelly Sullivan handle Grubhub, while Just East uses Teneo's Katherine Kim.