Prior to entering private practice, Jack spent ten years in the SEC’s Division of Trading and Markets, where he oversaw the regulation of national securities exchanges, clearing agencies, registered broker-dealers, and transfer agents. He applies the skills and knowledge developed on the SEC Staff to his current practice counseling regulated entities and non-regulated entities in the financial services industry. He has extensive knowledge in clearance and settlement and in broker-dealer back-office operations, as well as broker-dealer status and U.S activities of foreign broker-dealers.

More recently, Jack has been applying these skills to a variety of fintech ventures, particularly the application of the federal securities laws to digital assets.