Dennis Martin is a financial advisor with Colliers Securities LLC, holding Series 63 and Series 66 credentials and bringing 36 years of industry experience. He has been with Colliers Securities since 2014. Outside of his advisory role, Martin serves as Treasurer of Sioux Falls West Camp for Gideons International, a non-profit religious organization. Colliers Securities LLC serves individual and high-net-worth clients as well as trusts, estates, retirement plans, charitable organizations, and business entities. The firm provides brokerage, custody, and advisory services through both non-discretionary and discretionary programs, with portfolio management performed by third-party managers and a notable focus on municipal securities and underwriting activities.

Thomas Hackl is a financial advisor with Colliers Securities LLC in Sioux Falls, SD, holding Series 63 and Series 66 credentials and 14 years of industry experience. He has been with Colliers Securities since 2013. Outside of his advisory role, Hackl volunteers occasionally with the Cosmopolitan Club, a nonprofit focused on diabetes research. Colliers Securities LLC serves individuals, trusts, estates, pension and profit-sharing plans, charitable organizations, and business entities by providing brokerage, custody, execution, and investment advisory services. The firm offers both non-discretionary fee-based advisory programs and discretionary wrap programs managed by third-party sub-advisers, utilizing platforms such as Envestnet and Dana.