Los Angeles, CA Wilshire Boulevard Office

Irwin Mazur is a financial advisor at Oppenheimer in Los Angeles, CA, holding Series 63 and Series 65 designations with 39 years of industry experience. He has been with Oppenheimer for 21 years. Outside of his advisory work, he serves as a trustee of his personal trust. Oppenheimer serves individuals, corporations, pooled vehicles, and retirement plans, offering various advisory programs including discretionary and non-discretionary portfolio management, consulting, and financial planning. The firm employs diverse investment approaches tailored by program and advisor, managing approximately $36.7 billion in assets as of December 31, 2025.

Adam Quarello is a financial advisor at Oppenheimer with 24 years of industry experience. He has been with Oppenheimer since 2009 and holds a Series 66 designation. Outside of his advisory work, he is involved in playing music in public. Oppenheimer serves a broad client base including individuals, corporations, pension and profit-sharing plans, and charitable organizations. The firm offers a range of advisory and brokerage services, utilizing strategic and tactical asset allocation, manager selection, and a variety of investment strategies tailored to client objectives.

Mark Weinberg is a financial advisor with Oppenheimer in Los Angeles, CA, holding Series 63 and Series 65 licenses and bringing 41 years of industry experience. He has been with Oppenheimer since 2003. Oppenheimer serves individuals, corporations, pooled vehicles, and retirement plans, offering a variety of advisory programs including portfolio management, consulting, and financial planning. The firm employs diverse investment approaches tailored to its programs and advisors, managing approximately $36.7 billion in assets as of year-end 2025.

Kevin Friedman is a financial advisor at Oppenheimer with 30 years of industry experience. He holds Series 63 and Series 65 licenses and has worked at Oppenheimer since 2017, following prior roles at Wells Fargo Clearing and Wells Fargo Advisors. Outside of his advisory work, he instructs law enforcement and military personnel in defense tactics through Krav Maga Worldwide and serves on the Tucson Delta Chi Alumni Board. Oppenheimer serves a diverse client base including individuals, corporations, pension plans, and charitable organizations, offering a range of advisory and brokerage services. The firm employs strategic and tactical asset allocation, manager selection, and various investment strategies to construct client solutions, and acts as a qualified custodian for client assets.

Devon Silber is a financial advisor at Oppenheimer with six years of industry experience. He holds the Series 66 designation and has previously worked at Morgan Stanley Private Bank, N.A., Morgan Stanley Smith Barney LLC, and IMG. Oppenheimer serves a diverse client base, including individuals, corporations, pension plans, and charitable organizations, offering advisory and brokerage services such as investment management, consulting, and financial planning. The firm employs strategic and tactical asset allocation, manager selection, and a variety of investment strategies to meet client objectives, with a notable role as a qualified custodian and a mix of discretionary and non-discretionary advisory programs.

Merrell Siegel is a financial advisor with Oppenheimer in Los Angeles, CA, holding Series 63 and Series 65 licenses and bringing 44 years of industry experience. He has been with Oppenheimer since 2005. Oppenheimer serves individuals, corporations, pooled vehicles, and retirement plans, offering a range of advisory programs including discretionary and non-discretionary portfolio management and financial planning. The firm employs varied investment approaches across equity, balanced, and fixed income strategies, managing approximately $36.7 billion in assets as of the end of 2025.

Anita Daguilar is a financial advisor with Oppenheimer in Los Angeles, CA, holding Series 63 and Series 66 licenses and bringing 38 years of industry experience. She has been with Oppenheimer since 2013. Outside of her advisory role, she is involved in residential real estate. Oppenheimer serves a diverse client base including individuals, corporations, pension plans, and charitable organizations, offering a range of advisory and brokerage services such as investment management, consulting, and financial planning. The firm employs strategic and tactical asset allocation alongside various investment vehicles, with an emphasis on both discretionary and non-discretionary management.

Robert Rosenstock is a financial advisor at Oppenheimer with 36 years of industry experience. He holds Series 63 and Series 65 licenses and has been with Oppenheimer Asset Management Inc. and Fahnestock & Co. Inc. since 2003. He is based in Los Angeles, CA. Oppenheimer serves individuals, corporations, pooled vehicles, and retirement plans, offering a variety of advisory programs including discretionary and non-discretionary portfolio management, consulting, and financial planning. The firm employs diverse investment approaches tailored to specific programs and advisors and manages approximately $36.7 billion in assets as of December 31, 2025.

Randy Moshtael is a financial advisor with Oppenheimer in Los Angeles, CA, holding a Series 63 designation and bringing 42 years of industry experience. He has been with Fahnestock & Co., Inc. since 2003. Oppenheimer serves a diverse client base including individuals, corporations, pension and profit-sharing plans, and charitable organizations, offering advisory and brokerage services such as investment management, consulting, retirement services, and financial planning. The firm utilizes strategic and tactical asset allocation, manager selection, and a variety of investment vehicles to construct client solutions.

Bruce Lessinger is a financial advisor at Oppenheimer in Los Angeles, CA, holding Series 63 and Series 65 licenses with 48 years of industry experience. He has been with Oppenheimer since 2009. Oppenheimer serves a broad client base including individuals, corporations, pension and profit-sharing plans, and charitable organizations. The firm offers advisory and brokerage services with a focus on strategic and tactical asset allocation, manager selection, and a range of investment products, managing assets through both discretionary and non-discretionary programs.

Judith Gordon is a financial advisor at Oppenheimer with 34 years of industry experience, including 23 years at her current firm. She holds Series 63 and Series 65 licenses. Oppenheimer serves individuals, corporations, pooled vehicles, and retirement plans by offering a range of advisory programs such as discretionary and non-discretionary portfolio management, consulting, and financial planning. The firm employs various investment approaches tailored to programs and advisors, with approximately $36.7 billion in assets under management as of December 31, 2025.

Jason Betley is a financial advisor at Oppenheimer in Los Angeles, CA, holding Series 63 and Series 65 licenses with 18 years of industry experience. He has worked at Oppenheimer since 2017 and previously spent three years with Morgan Stanley. Oppenheimer serves individuals, corporations, pooled vehicles, and retirement plans, offering a range of advisory programs including discretionary and non-discretionary portfolio management, consulting, and retirement services. The firm’s investment approach varies by program and advisor, encompassing strategic and tactical asset allocation, manager selection, and periodic rebalancing.

Gregory Iglow is a financial advisor at Oppenheimer with 29 years of industry experience. He holds the Series 63 designation and has been with Oppenheimer since 2007. Oppenheimer serves a diverse client base including individuals, corporations, pension and profit-sharing plans, and charitable organizations. The firm offers a range of advisory and brokerage services, utilizing strategic and tactical asset allocation, manager selection, and various investment strategies tailored to client objectives.

Feng Shen is a financial advisor at Oppenheimer with 24 years of industry experience. She holds Series 63 and Series 65 licenses and has been with Oppenheimer since 2015. Shen is involved in managing investments for her family trust. Oppenheimer serves a diverse client base including individuals, corporations, pension plans, and charitable organizations, offering advisory and brokerage services such as investment management, consulting, and financial planning. The firm employs strategic and tactical asset allocation, manager selection, and a variety of investment strategies, while also acting as a qualified custodian.

Raymond Lew is a financial advisor at Oppenheimer with 32 years of industry experience. He has been with Fahnestock & Co. Inc. since 2003. He holds a Series 63 designation. Oppenheimer serves a diverse client base including individuals, corporations, pension and profit-sharing plans, and charitable organizations. The firm provides advisory and brokerage services such as discretionary and non-discretionary investment management, consulting, retirement services, and financial planning.