John Thomas Financial, an independent broker-dealer and investment banking firm, has appointed Richard Nummi as chief risk officer.

Nummi has over 20 years of regulatory and compliance experience, including service as a senior enforcement attorney at the Securities and Exchange Commission. Most recently, he served as managing partner at Nummi & Associates, a provider of regulatory compliance and business development consulting services.

In his new position with John Thomas Financial, Nummi will oversee all risk-related areas of the company's business operations, working with the legal and compliance team on the identification, analysis and mitigation of regulatory risk.