Brian Harrigian is a financial advisor with Cambridge Investment Research Advisors in Schaumburg, IL, holding Series 63 and Series 65 credentials and two years of industry experience. He has prior experience with Cambridge Investment Research Inc. and Preferred Planning Concepts, LLC. Outside of his advisory work, he coaches youth baseball with the Park Ridge Jr. Hawks Traveling Baseball League. Cambridge Investment Research Advisors is an SEC-registered firm serving a diverse client base that includes individuals, retirement plans, charitable organizations, and trusts. The firm offers financial planning, investment management, and retirement plan advisory services through a network of independent advisors using a variety of portfolio management approaches and custody arrangements.

Darby O'Leary is a financial advisor with Cambridge Investment Research Advisors, holding a Series 66 credential and three years of industry experience. Prior to joining Cambridge Investment Research Advisors in 2024, O'Leary worked at Cambridge Investment Research Inc. and operates Preferred Planning Concepts, LLC, an independent insurance agency. Cambridge Investment Research Advisors serves a diverse client base including individuals, retirement plans, and charitable organizations, offering financial planning, investment management, and retirement plan advisory services through a network of independent Financial Professionals. The firm provides a range of investment strategies across multiple platforms, including proprietary and third-party models, with options for discretionary and non-discretionary management.

David Nicholson is a ChFC®-designated financial advisor with 37 years of industry experience. He has been with Cambridge Investment Research Advisors since 2009 and also operates Preferred Planning Concepts, where he serves as an independent insurance agent. Nicholson is involved in providing identity theft protection and restoration programs to business clients through associated ventures. Cambridge Investment Research Advisors is a large SEC-registered firm serving a diverse client base including individuals, pension plans, and charitable organizations. The firm offers a range of financial planning, investment management, and retirement advisory services through a network of independent professionals, utilizing proprietary and third-party investment strategies across multiple custody platforms.

Kenneth Lydecker is a financial advisor with Cambridge Investment Research Advisors, holding a Series 66 designation and bringing 54 years of industry experience. He has worked with Cambridge since 2009 and has previous experience at firms including Heritage Ins Inc and Agency for Planned Benefits, Inc. Lydecker also serves as a board member of Carol's Way Foundation, a nonprofit organization. Cambridge Investment Research Advisors is a large SEC-registered firm serving a diverse client base that includes individuals, pension and profit-sharing plans, charitable organizations, trusts, and retirement-plan sponsors. The firm offers financial planning, investment management, retirement plan advisory, and financial-wellness services through independent Financial Professionals, utilizing a range of portfolio management strategies and platform arrangements tailored to client objectives.