With over 40 years of accounting experience, Tax Principal Tim Tikalsky specializes in tax planning, compliance, and consulting for medium-sized to large, closely-held companies, partnerships, and fiduciaries. He has extensive experience in handling engagement with multi-state and foreign operations.

Tim is a leader in Sensiba’s real estate and construction industry group and provides services including valuations, litigation support, cost segregation, performance management, retirement, and succession planning.

Tim is a frequent contributor to professional and technical publications and events such as the San Francisco Business Times and the International Council of Shopping Center’s (ICSC) Annual Law Conference. He has also appeared several times as a guest on the “Gary Allen on Business” radio show, hosted by KNBR 680.

Tim has been an adjunct professor at California State University Easy Bay since 2006, where he also received his Bachelor’s in accounting and master’s in taxation. He is a licensed CPA in California, Certified in Strategic Performance Management (CSPM), and is a Certified Commercial Investment Member (CCIM). He is a member of the American Institute of Certified Public Accountants and the California Society of Certified Public Accountants.

Outside of work, Tim is active in the community, serving as a Board Member for the Livermore Valley Chamber of Commerce and the Fremont Chamber of Commerce. In his downtime, Tim enjoys playing lead guitar for a local Country/Western band that has been together for almost 20 years!

With over 20 years of domestic and international accounting experience, Tax Principal Wonsun Shin Willey leads the Sensiba estate & trust practice at the Firm. She specializes in tax compliance and consulting for high-net-worth individuals, families, and their businesses.

Wonsun’s client base includes many top Silicon Valley entrepreneurs, including angels, venture capitalists, and founders of some of the well-known Silicon Valley companies. She also works with high-net-worth individuals, multi-generational family groups, and their businesses in various industries, including real estate, manufacturing, and agribusiness. Wonsun works with these individuals and their families to bring optimal income, gift and estate tax solutions whilst helping them achieve their wealth preservation, charitable, and other financial goals.

Wonsun is a recipient of the YWCA Tribute to Women Award, which recognizes women exemplifying excellence in executive-level positions.

Wonsun received her bachelor’s degree in accounting and information systems from the University of New South Wales in Sydney, Australia in 1991. She is a licensed CPA in the State of California, a member of the American Institute of CPAs, and maintains her Australian certification as a Chartered Accountant. In her free time, Wonsun enjoys spending time with her family, watching movies, and eating ice cream. She is also fluent in Korean.