PANews reported on December 12 that according to Securitize’s announcement, former Grayscale Investments CEO Michael Sonnenshein officially joined the company as Chief Operating Officer (COO) on December 9. During his 10 years in office, Sonnenshein developed Grayscale into the world’s largest crypto asset management company, managing tens of billions of dollars in assets, and promoted the approval of the first spot Bitcoin ETF in the United States.