TEAM MEMBERS

Tassos’ successful working relationships with his clients is reflected by continued and repeated representation in all aspects. Sullivan Commercial/Tassos is the Exclusive Agent on assignments for Generations Federal Credit Union and the San Antonio Fire and Police Pension Fund to name a few.

• Tassos negotiated in the lease of 23,000 RSF, a new headquarters location for GFCU at the SWBC Tower. Tassos negotiated the sale of GFCU’s previous downtown headquarters location in 2010, as well as the disposition of former GFCU retail banking sites.
• Tassos negotiated on behalf of the San Antonio Fire and Police Pension Fund, in the purchase of Parkway Center, an approx 69,530 sf office building, located at 11603 W. Coker Loop. Subsequently, Sullivan Commercial Realty was awarded the property management and leasing contract for Parkway Center. Tassos negotiated on behalf of Landlord to absorb over 48,000 sf within six months to bring the project to 100% occupancy.
• Negotiated on behalf of the San Antonio Fire & Police Pension Fund in the investment acquisition of over 106,000 SF of Class A office and disposition of former headquarters building.

Recent headquarters transactions include CST Brands, SA Fire & Police Pension Fund, Generations Federal Credit Union, Ricos Products and Regent Care.

• Represented CST Brands, Inc (CST) in site selection / acquisition of the 92 acre corporate campus including 500,000 SF office/warehouse/distribution center and subsequent office lease of 120,000 SF to Pearson Education (PE)
• Negotiated on behalf of Allergy, Asthma & Immunology Assoc in the acquisition of a land site and building for their 4th medical office
• Dermatology & Laser Center of SA in the sale and leaseback of Louis Pasteur location
• Pediatric Digestive Care in the purchase of Stone Oak office/retail center where Sullivan was retained to manage and lease the property
• Tassos successfully located and closed on a Medical Center Transit Center site for the VIA Transit Authority

Tassos is also involved in the marketing of several prominent land tracts in the Bexar County and South Texas area.

• Sullivan Commercial/Tassos represented the Schertz-Cibolo-Universal City ISD in the land search/purchase of 101+ acre future high school site and is actively searching for sites to meet the District’s upcoming school site needs.
• Sullivan Commercial/Tassos has more recently been selected by the Comal ISD to assist in site searches to meet their District’s school site needs.

Texas Tech University – BA
Texas Real Estate Broker License

Prior to joining Sullivan, she was branch manager of a regional multi-family investment and brokerage firm where she coordinated comprehensive market research of multi-family and market trends, as well as analysis of comparable sales for the San Antonio multi-family market. During that time, Karrie engaged in multi-family property management, supervising a portfolio of over 1,700 units.

Karrie brings 20+ years of real estate experience, diverse skill sets and extensive knowledge of multiple industries within commercial real estate.

Prior to his passage into real estate in 2017, John spent 12 years in the aerospace industry in various management and engineering roles. Early in his career, he worked for Boeing in San Antonio where he led an Engineering Team responsible for completely renovating some of the first 787 Flight Test aircraft. Later, John led several international projects located in Europe and Asia while working for Hong Kong Aircraft Engineering Company (HAECO). His specialties include structural design engineering, program management, business intelligence and business development.

The commonality across John’s diverse background has been the opportunity for complex problem solving and his continued desire to lead and develop others.

John has obtained a M.S. in Engineering Management from the University of Texas at Austin and a B.S. in Mechanical Engineering from Texas A&M University. He is a Certified PMP holder and a member of the Alamo PMI Chapter in San Antonio, TX.

His varied and extensive background in property management, facilities management and construction management include:

• Rouse Company and Melvin Simon & Associates – Regional Manager. 9.5 million SF retail portfolio and operating budgets in excess of $80 million.
• Trammell Crow Company San Antonio – Sr Property Manager. 4.5 million SF office, industrial and retail portfolio. Prepared and administered operating budgets of over $30 million.
• Bonnet Resources Corp, Dallas – Regional VP for Asset Management. $500+ million FDIC portfolio, administered $18 million annual capital improvements budgets.
• East Texas Medical Center Regional Healthcare System, Tyler – VP of Facilities Management. $100+ million portfolio consisting of 15 hospitals, 1.3 million square feet of medical office space. Construction supervision of new medical office and hospital renovations/expansions with more than $135 million in capital improvements budgets.
• Baptist Healthcare System, San Antonio – System Director/Facilities Management. Directed facilities operations for 5 hospitals in the system with a capital expenditure budget of $125 million.
• Cavender & Hill Properties, San Antonio – Director of Property Management. 8.2 million SF industrial, R&D and service center portfolio in San Antonio, Laredo, El Paso and the Rio Grande Valley. Prepared and administered operating budgets of over $65 million.
• Birnbaum Property Company, San Antonio – Director of Property Management. 1.5 million SF retail property portfolio.

AFFILIATIONS
International Council of Shopping Centers (ICSC)
International Facilities Management Association (IFMA)
American Society of Healthcare Engineering (ASHE)
American Society of Healthcare Environmental Services (ASHES)
Institute of Real Estate Management (IREM)
Building Owners and Managers Association (BOMA)
American Management Association (AMA)