Dennis O'Brien is a financial advisor with Concurrent Investment Advisors, LLC, holding Series 66 and Series 63 credentials and three years of industry experience. Prior to joining Concurrent in 2026, he worked at Spire Investment Partners, SEIA/SES, and Fidelity Investments. Outside of his advisory role, he performs as a guitarist in the band The Montaines.
Concurrent Investment Advisors is a multi-team firm serving individuals, high-net-worth clients, families, trusts, estates, businesses, and retirement plans. The firm focuses on customized, primarily long-term portfolios using ETFs, mutual funds, and other investment vehicles, supported by a network of approximately 286 advisors.