Michael Sonnenshein, former CEO of Grayscale Investments, has been appointed COO of Securitize, a leading tokenization platform, effective December 9. After stepping down from Grayscale in May 2024, he has advised various fintech and blockchain firms and will now focus on building relationships with asset managers and enhancing marketing and sales efforts. Securitize, which has partnered with major firms like BlackRock, has moved over $1 billion in real-world assets onchain and recently secured $47 million in funding.