Grayscale CEO Michael Sonnenshein has resigned and will be replaced by Peter Mintzberg on August 15.

Sonnenschein led the company through a period of exponential growth and played a key role in bringing Bitcoin ETFs to market, said Barry Silbert, CEO of parent company Digital Currency Group.

Mintzberg, the current head of asset and wealth strategy at Goldman Sachs, will begin his role on Aug. 15, Grayscale said Monday.