Polygon Lab's former president Ryan Wyatt has joined Optimism, the firm building out the Ethereum Layer 2 scaling protocol OP Mainnet, as Chief Growth Officer. 

Wyatt told The Block that he will no longer be an advisor to Polygon after joining Optimism. However, he will still be on the Board of Directors for the nonprofit Gamers Outreach and a venture partner at the VC firm Bitkraft in his new role.

As Chief Growth Officer, Wyatt will be responsible for expanding the Optimism ecosystem, collaborating with developers, bolstering partnerships and coordinating with external contributors. Wyatt noted particular enthusiasm for Optimism's Superchain, a series of Layer 2 networks sharing security, a communication layer and an open-source development stack. 

"We're now at a point in …