Leadership
Management Team
Gary Gregg
Executive Chairman
As Executive Chairman, Gary is a key contributor to the development of organizational policies and the effective implementation of the firm’s strategic direction. A 30-year veteran of the CRE industry, he also provides oversight, direction and guidance on highly visible and complex projects as Market Leader of Cresa’s Phoenix office.
Tom Birnbach
Vice Chairman & President
Tom Birnbach drives continuous growth and optimizes efficiencies globally. As a founding member and esteemed Managing Principal for Washington, DC, Tom's expertise is unparalleled. He excels in global account servicing, orchestrating high-value transactions, and offering invaluable insights.
Ray Anderson
Chief Executive Officer
As CEO, Ray is focused on building Cresa’s occupier advisory platform, ensuring that the company delivers transformational real estate results for clients. With decades of experience in strategic consulting, performance improvement and M&A for leading corporate and private equity clients, he focuses on operational improvement and growth initiatives that will benefit Cresa’s platform, clients and team members.
Tracey Luehring
Chief Financial Officer
Tracey Luehring is Cresa’s Chief Financial Officer and an integral part of the Leadership Team. She leads Cresa’s Finance team, with a focus on financial reporting, long-term financial planning, and capital planning to support recruitment and acquisition objectives as the company implements its long term growth strategy.
Kathryn Ditmars
General Counsel, Chief Human Resources Officer
As General Counsel and Chief Human Resources Officer of Cresa, Kathryn (Ryndy) leads Cresa’s Legal and HR functions, with a focus on developing talent strategies and collaborating with Cresa’s leadership team to achieve the company’s talent and risk management goals and priorities.
Jon Hardin
Chief Technology Officer
As Chief Technology Officer, Jon leads the development and execution of our proprietary technology platforms. He leverages deep expertise in AI, security, and enterprise innovation to drive cost-efficiency, service excellence, and growth for Cresa’s clients.
Tricia Trester
President, Global Portfolio Solutions
Tricia Trester leads our Global Portfolio Solutions, Consulting and Lease Administration service lines. With a focus on portfolio strategy and a commitment to excellent service delivery, Tricia helps our clients navigate today’s rapidly evolving commercial real estate landscape.
Mark Wanic
President, Project Management
Mark brings nearly 35 years of global leadership experience across commercial real estate and related industries. He guides the strategic growth and alignment of project management services across North America, with a focus on scaling the platform, driving consistency across markets, and delivering sustainable financial performance.
Sarah Wager
Senior Vice President, Strategic Initiatives & Chief of Staff
Sarah is charged with executing the strategic plan for Cresa’s global expansion. She oversees all efforts in locating new global offices and establishing integrated partner relationships to support the company’s multi-national clients.
Alison Scott
Senior Vice President, Head of Marketing
As Head of Marketing, Alison ensures that Cresa’s marketing and communications strategies support the company’s broader strategic goals. She leads the corporate marketing team and oversees brand management, research and content development, internal communications, digital marketing, event production, business development support and public relations.
Elizabeth Harding
Senior Vice President, Market Operations
As Senior Vice President, Market Operations at Cresa, Elizabeth works in collaboration with the C-Suite and our field office management teams to operate our North American markets and consistently improve the profitability, operations, accountability and management of the offices.
Jeremy Ricci
Vice President, Information Technology
As Vice President of Information Technology, Jeremy works with Cresa’s executive leadership to align IT strategies with the overall business goals. This involves setting long-term objectives for technology investments, innovations, and infrastructure that support the company's growth.