Timothy Kim
Managing Director
About
Mr. Kim, Managing Director at PTA, brings extensive experience from Realty Club, Prospect Capital Group, and Marcus & Millichap. In 2008, he partnered with PTA founder Gary Poltash to expand the firm into California's leading tax appeal entity, representing over 50,000 property owners and contesting assessments totaling more than $500 billion. Mr. Kim holds a B.S. from UCLA and is a member of ULI, having served on the Board of Directors for the California Alliance of Taxpayer Advocates. He is fluent in English and Korean, enhancing his advocacy and advisory capabilities.
Logan Baird
Director of Tax Appeal Services
About
Mr. Baird joined Property Tax Advisors in 2021, leading our Tax Consultant team. Before PTA, he was a commercial broker at Sperry Van Ness Los Angeles and an acquisition analyst at BOMAR Partners, specializing in real estate valuations and processes.
Mr. Baird holds a B.A. in Business Administration with a focus on Real Estate from Purdue University. He is an enrolled Tax Agent and certified in Real Estate Financial Modeling.
Pedro Agaton
Director of Operations
About
Mr. Agaton, Director of Operations at Property Tax Advisors since 2021, brings valuable insights from his tenure as a paralegal at a prominent Los Angeles Real Estate Law Firm. He holds a B.S. in Economics from UCSC, providing a strong analytical foundation for his role.
Fluent in English and Spanish, Mr. Agaton excels in process optimization and team leadership, driving efficiency and growth within the organization.
Alen Xue
Director of Market Research
About
Mr. Xue, Director of Market Research at Property Tax Advisors since 2012, leads our Valuations group and Market Research team, developing advanced technologies for real estate tax appeals appraisals.
He holds a B.S. and M.S. from USC in Statistics and Public Administration. Mr. Xue is an enrolled Tax Agent and fluent in English and Mandarin, ensuring accurate analysis and forecasting.
Jason Dolce
Director of Sales
About
Mr. Dolce, Director of Sales at Property Tax Advisors since 2008, has extensive experience in leading sales teams focused on Environmental Risk Information and Commercial Real Estate big data. Previously, he held roles such as Sales Director at Costar, Commercial Broker at Coldwell Banker, and Director of Client Services at Xceligent and Continental Funding Group.
Mr. Dolce earned a B.S. in Business Administration and Management with a concentration in General Finance from Fairfield University.
Thiago Matos De Araujo
Chief Technology Officer
About
Mr. Araujo, Chief Technology Officer at Property Tax Advisors since 2020, excels in guiding organizations through digital transformations. He collaborates closely with business leaders to identify innovative technology solutions.
Mr. Araujo holds dual B.S. degrees in Computer Science from Universidade Estacio de Sa and is fluent in English, Spanish, and Portuguese, fostering a high-performance digital culture.
Sebastian Polackal
Commercial Real Estate Analyst
About
Sebastian Polackal is a Commercial Real Estate Analyst at Property Tax Advisors based in Los Angeles, California. With a unique background in both pure science and economics, he combines rigorous quantitative analysis with creative insight to navigate the complexities of commercial property valuation and investment strategy. A graduate of UCLA’s Master's program in Econometrics and Quantitative Economics, Sebastian continually seeks to enhance his expertise through practical experience and certifications like Bloomberg Market Concepts.
Paulette Gharibian
Senior Residential Tax Consultant
About
Ms. Gharibian, Senior Residential Tax Consultant at Property Tax Advisors, began her career through the PTA Summer Associate Program. She holds a B.S. in Business Administration with a specialization in Real Estate from California State University, Northridge, and an M.S. in Urban Planning.
Ms. Gharibian is a registered Tax Agent and has completed comprehensive real estate agent training. Fluent in both English and Armenian, she enriches our team's capabilities with her bilingual proficiency.
Genesis Melendez
Administrative Coordinator
About
Ms. Melendez, Administrative Coordinator at Property Tax Advisors, has over a decade of experience in residential real estate. She specializes in property valuation and market dynamics, guiding homeowners through property tax appeals. Renowned for her analytical skills and client-centric approach, Ms. Melendez is dedicated to delivering premium service and advocating for equitable tax solutions. She is fluent in English and Spanish.
Ashley Vargas
Client Relationship Associate
About
Ms. Vargas joined Property Tax Advisors in 2025 as our Client Relationship Associate. A graduate of the University of California, San Diego, Ashley specialized in International Sociology and Global Policy. She is a dedicated and results-oriented professional with experience in marketing, administration, and real estate.
In her previous role as a Marketing Coordinator at Kossoris Search, Ashley excelled in market research and candidate outreach, leading to notable improvements in response rates. She also contributed to operations at the Department of Transportation, where she refined data management and customer service processes.
Jonathan Wheldon
Head of Customer Care
About
Mr. Wheldon, Head of Customer Care at Property Tax Advisors since 2012, brings over 20 years of service industry experience. He has held notable positions at The Beverly Wilshire Hotel and Nobu Hospitality, as well as assisting entities in the UAE. Bilingual in English and Spanish, Mr. Wheldon is dedicated to enhancing client satisfaction and support, ensuring meticulous attention to detail in addressing real estate needs.