
Tenant Representation
Advising Tenants Through Expertise and Action
About Occupier Services San Diego
Making the right space decision is more than the building or location you choose — it impacts your people, brand and culture, operations, risk and costs. With a long history supporting tenants, Occupier Services San Diego applies our specialized advice and leads a defined process to drive the best outcome for your business.
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Capital markets expertise
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Financial analysis
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Lease negotiation and renewal
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Location analysis and site selection
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Transaction advisory – acquisition and disposition
Our Team

Ron Miller
Senior Vice President
ron.miller@colliers.com | 858-677-5363
As a native San Diegan and Corporate Real Estate Advisor, Ron represents local, regional, and national corporate office tenants. Ron’s experience and extensive market knowledge allow him to deliver the highest level of service to his clients in all facets of their corporate real estate endeavors, which include managing requirements for new locations, renewals and dispositions, as well as containment of overall real estate costs. With his extensive career experience in landlord and tenant representation, Ron offers a unique perspective and valuable insight in exclusively representing corporate office tenants.
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Prior to joining Colliers International, Ron served as a principal at CresaPartners focusing on tenant representation. He was Senior Vice President, Principal, and a top producing broker at Burnham Real Estate for representing both Tenants and Landlords.
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Chris Reutz
Research Director
Since 1996, Chris has consistently achieved success in assisting both internal and external commercial real estate (CRE) clients by providing them with timely and accurate market statistics, trend analysis and relevant reporting.
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His goal is to continuously work toward efficient and better ways to accelerate the success of clients.
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Chris' specialties include commercial real estate (CRE) market research, statistics, data and analysis; database administration; geographic information systems (GIS); marketing and reporting.

Leah Slate
Client Services Coordinator
Leah Slate is a detail-oriented and resourceful professional, dedicated to providing exceptional support to the Occupier Services San Diego Team at Colliers. As a Client Services Coordinator, she ensures seamless operations and top-tier client experiences, contributing to the team's success with her organizational prowess and proactive approach.
Leah specializes in streamlining processes, coordinating communications, and managing critical details that help clients and team members thrive. Her commitment to excellence is matched by her ability to anticipate needs and deliver solutions that align with Colliers' renowned standards of service.
With a focus on fostering strong relationships and maintaining a high level of professionalism, Leah takes pride in being a dependable partner in achieving client and company goals.

Lisa Gillespie
Graphic Designer
Lisa Gillespie is an imaginative and creative professional, harnessing her extensive design and marketing skills to amplify the success of Occupier Services San Diego Team at Colliers. She has a knack for crafting original and captivating marketing materials, covering everything from engaging brochures, presentations, and social media content to compelling email campaigns, pitch decks, maps, websites, and eye-catching videos.
Her mission is to bring fresh, innovative solutions and a touch of magic to each client and property, all while staying true to Colliers' high standards.
Lisa's love for great design and top-quality content shines through her expertise in Adobe Creative Cloud, where she excels with InDesign, Illustrator, and Photoshop to create exceptional results.