Dave Titus is Chief Deputy to Member Gaines and is responsible for ensuring constituents receive the highest level of service and assistance from the Board of Equalization. He has more than 30 years of experience in government and politics.
Day to day, Dave oversees staff in both the northern and southern California offices and advises Member Gaines on Board policy and processes, general tax administration, tax appeals, tax policy changes, county assessor issues, personnel matters, legislative measures, media relations, educational and outreach opportunities, and constituent inquiries.
Dave began his political career at the California State Legislature in 1984 as a research assistant in the areas of legislation and constituent services. After six years, he moved to the private sector where he worked as a lobbyist and then Director of Government Affairs for the California Trucking Association. In 1997, he returned to public service as Chief of Staff to Rico Oller in both the California State Assembly and Senate. In 2004, he was appointed as Deputy Director of Legislation at CALFIRE by Governor Arnold Schwarzenegger before returning to the Capitol in 2010 as Chief of Staff to three legislators including Assemblyman Chris Norby, Assemblywoman Beth Gaines, and Senator Ted Gaines.
Dave is a graduate of California State University, Fullerton where he earned a Bachelor of Arts in Political Science. Outside the office, he is an avid skier and enjoys spending time with his wife and four children.
Located in the Southern California office, Barbara Buus oversees constituent affairs for Member Gaines. She is responsible for helping constituents resolve tax-related issues and served in the same position from 2011-2018 for Member George Runner.
Prior to her career at the BOE, she worked for the Automobile Club of Southern California for 38 years. She filled a variety of positions involving research and administrative duties relating to customer requests. She also assisted in various campaigns over the years, ranging from local races to state Assembly and Senate campaigns.
Born in Whittier, California, Barbara resides in Lancaster with her husband of 40 years, Douglas. They have two adult children, Adam and Trena, son-in-law Waseem, and grandsons Myles, Zeke, and Riggs. Barbara was chosen as a 2014 Honorary Commander at Edwards Air Force Base for the 445th Flight Test Operations. Outside the office, she leads a women's Bible study and enjoys quilting.
Alyssa Centeno is responsible for reception duties, assisting taxpayers, and completing projects as assigned.
Alyssa began her BOE career in November 2015 as a student assistant in Board Member George Runner's office and was promoted to Tax Technician I in February 2017. She is currently pursuing a Bachelor of Arts in Economics and Business at California State University, Sacramento and hopes to someday establish her own business.
Born in the Philippines, Alyssa moved to the United States with her family when she was eight years old. She is the eldest of three and the only daughter. In her spare time, Alyssa enjoys traveling, cooking, photography, and music.
Mai Harvill is Assistant Deputy to Member Gaines and manages all aspects of the day-to-day office operations in conjunction with the Chief Deputy. Mai has more than 25 years of administrative, management, and leadership experience in the government industry.
Mai served in the same position from 2003-2018 for Member Bill Leonard, Acting Member Barbara Alby, and Member George Runner.
Mai began her career working for Assembly Republican Leader Jim Brulte in his district office while she was in college. During her decade-long tenure in the State Assembly she also served on the staff of Assemblyman Jim Battin and Assembly Republican Leader Bill Leonard. Mai specialized in organizing various events including weekly caucus lunches and Legislative retreats, and annual events like the Legislative Ski Day.
Born in Vietnam, Mai is a graduate of Cal Poly Pomona where she earned a Bachelor of Science in Business Administration. She majored in management and human resources and has a minor in public administration.
Outside the office, Mai enjoys attending concerts and music festivals, spoiling her two rescue dogs, and most of all, spending time with her family.
Policy and Legislative Affairs
Tanya is Legislative Director for Member Gaines and is responsible for overseeing the policy and legislative agenda, coordinating educational events, and assisting taxpayers with various concerns. She began working for the BOE in March 2013 as a Regional Outreach Manager assigned to District 2 and joined Member George Runner’s office in January 2014.
Tanya's legislative career began in 2000 when she was selected for the California Senate Fellows program and placed in the Office of Senator Bob Margett. Following the fellowship, she served as Scheduler and Legislative Assistant to Assemblyman John J. Benoit, and Legislative Director to both Senator George Runner and Senator Sharon Runner.
A California native, Tanya is a graduate of University of California, Davis and California State University, Fresno where she earned degrees in International Relations. Outside the office, she enjoys traveling, cycling, and reading.
Lee Williams is Senior Analyst to Member Gaines and is responsible for providing advice on Board meetings, property tax matters, appeals hearings, and regulatory and policy issues.
Lee served in similar positions from 2003-2018 for Member Bill Leonard, Acting Member Barbara Alby, and Member George Runner.
Prior to the BOE, Lee spent more than 25 years working in the private sector for various manufacturing, distribution, international shipping, and accounting firms. He is a Certified Public Accountant and holds a Master of Science from the Tepper School of Business at Carnegie-Mellon University and a Bachelor of Science from the Haas School of Business at the University of California, Berkeley.