With three decades of experience, Theresa Mueller, CCIM is the founder, CEO, and Designated Managing Broker who brings deep analytical rigor to evaluating the financial impact of buying, selling, and leasing in the global marketplace. Her engineering degree from the University of Illinois, paired with extensive commercial real estate experience, gives her a unique lens for comparing real estate against other investment alternatives. She has extended that discipline into teaching, helping clients and brokers evaluate financial options and uncover creative ways to structure and close deals. Today, Theresa is broker/owner of Trelleum Real Estate, the firm she founded in 2004. She leads a team dedicated to serving both local and international clients, marketing a range of asset classes including resorts, land, and more throughout Latin America and the Caribbean. A skilled negotiator focused on achieving stakeholder objectives, Theresa draws on an extensive network to connect buyers, sellers, landlords, tenants, and commercial real estate professionals. She and her team pride themselves on meeting clients' unique real estate needs with precision and care.Outside of client work, Theresa is active in her community chairing commercial committees, volunteering locally, and participating in book clubs. An avid podcast listener and international traveler, she's also a self-proclaimed foodie (and, by necessity, an exercise enthusiast too!).
Through his active involvement in the business community, Sebastian has built a reputation as a trusted advisor, helping businesses navigate the complexities of commercial real estate and connecting them with valuable opportunities and resources to help their business flourish. By combining his expertise and extensive local network, he consistently delivers solutions that align with his clients' goals. He is deeply commited to fostering meaningful connections among business professionals. Was alo a memver of the Aurora Regional Chamber of Commerce, where he was honored with the 2024 Chamber Champion Award as part of the Young Professional Leaders. Sebastian Gomez is a dedicated commercial real estate broker with a strong background in business development and a passion for connecting businesses with opportunities. With experience in the real estate industry and a Bachelor’s degree in Psychology from the University of Illinois at Chicago, he leverages his expertise to provide strategic, client-focused real estate solutions.Sebastian is a co-founder of the Naperville Networking Alliance.
Born and raised in the Chicagoland area and with over 15+ years in the hospitalityindustry, my strive is to give you the best experience in your real estate endeavor. I amlicensed in Illinois and Florida, a current affiliate of the Tampa Bay Global BusinessCouncil, serving a large range of different investment opportunities to clients bothdomestically and internationally. Paired with Trelleum, I have access to endlessmarketing materials and knowledge, staying up to date with the most recent markettrends. Proud to be a part of the USF Alumni Association as an honors graduate and Florida Greek Independence Day Parade committee member. In my free time I enjoy cooking, gardening and attending church services. My favoritefoods are Mexican, Greek and Japanese. Traveling and meeting new people andexperiences is what I live for. Give me a call and let’s discuss your next big venture.
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