Leah Parker SIOR

Introduction

Leah Parker, SIOR is the Director of Brokerage at One Alliance Companies, providing leadership, advisory support, and strategic guidance across commercial real estate and business brokerage services. Leah is recognized for her direct, high-integrity approach and her ability to simplify complex transactions into clear decisions and actionable next steps.
Her background includes tenant representation, commercial sales and acquisitions, business dispositions, and creative financing structures—often within demanding, multi-stakeholder transactions. Leah’s work is grounded in transparency, risk awareness, and a strong commitment to representing clients’ and agents’ best interests.
In addition, Leah has a proven record in investment property management, including oversight of multimillion-dollar properties, operational optimization, and improvement project leadership. She collaborates effectively with owners, property managers, vendors, company leadership, and fellow professionals to drive performance and accountability.
Leah is also the founder of a firm built to support investors and business owners through opportunity identification, strategy analysis, financing solutions, and exit planning for small to middle-market businesses. She remains active as an advisor and co-broker and is passionate about helping women build successful commercial real estate careers.