Abbott, Stringham & Lynch Announces Partner Promotions for 2024

Campbell, CA (January 8, 2024) – Abbott, Stringham & Lynch (ASL) is proud to announce that Amy Dempsey, CPA, MSAT, has been promoted to Principal, Tax and Advisory and Collin Plehiers, CPA, has been promoted to Principal, Tax and Advisory, effective January 1, 2024.

“We are thrilled to welcome Amy and Collin to ASL’s partner group. Their mentorship to our staff, excellent client service and commitment to the firm will only continue to help ASL grow,” said Deepa Bhat, Managing Partner at Abbott, Stringham & Lynch.

Amy Dempsey, Tax Principal_ASL CPA Firm

Amy Dempsey, CPA, MSAT, Principal, Tax and Advisory, has over twenty-five years of experience with a demonstrated history of working in the accounting industry. She is skilled in entity planning, tax and financial accounting, business and individual income taxation, and consulting for closely held businesses and their owners in various industries such as construction, professional services, hospitality, real estate, and manufacturing and distribution.

Amy’s career began in the assurance practice of a Big 4 firm in San Francisco and a transfer opportunity led her back to her hometown of Boise, Idaho to work on a Fortune 100 client. Shortly thereafter, she joined a boutique tax practice, where she grew and managed a client base of complex individual income tax returns, businesses and their owners. Subsequently, Amy brought her clients and team to a national Top 10 firm, where she was a principal for over five years.

Amy holds a Master of Accountancy degree with a Taxation emphasis from Boise State University and a Bachelor of Science degree in Accounting from the University of San Francisco.

“As I reach the pinnacle of my career, I am beyond grateful to have the opportunity of ownership and stewardship of an organization that has built their foundation on an inclusive, empathetic, transparent and supportive culture with both a focus on first-class client service and employee engagement,” said Amy. “All of these attributes speak to my core values and are representative of who I strive to be as a professional and as a leader. Thank you for your recognition, support and trusting me with your most valuable assets, your clients and employees.”

Collin Plehiers, Tax Principal_ASL CPA Firm

Collin Plehiers, CPA, Principal, Tax and Advisory, is a member of ASL’s High-Net-Worth Group and has developed a broad range of tax knowledge working in the dynamic Silicon Valley throughout his career. He dedicates his skills to a diverse clientele, including high-tech executives, entrepreneurs, and high-net-worth individuals. His areas of expertise include both pre- and post-liquidity planning, optimizing tax strategies related to Qualified Small Business Stock, and equity compensation. Most of his clients have significant wealth in equities and real estate which requires an understanding of the complexities of trusts, estates, and gift planning, closely held business structures, and multi-generational wealth planning strategies.

In essence, Collin is more than just a tax professional; he is a dedicated advocate and advisor for his clients, committed to navigating the complexities of taxation and empowering them to make informed decisions that positively impact their wealth and financial well-being.

Collin holds a Bachelor’s degree in Business Administration with a concentration in Business Management from San Jose State University and received a Certificate of Advanced Accounting Proficiency from Santa Clara University.

“This is a huge honor to join the ASL partner group. I have spent a long time looking for a firm that is built like ASL,” said Collin. “The client centered focus, the drive for knowledge and learning, the growth mindset with team energy – from our amazing admin team all the way up to the partner group – it doesn’t matter what level you look at, there is excellence throughout the entire firm. I am extremely proud to be a part of that.”


About Abbott, Stringham & Lynch

Founded in 1977, ASL offers a wealth of experience in delivering high quality services and specialties to its clients. The Firm works with both emerging and middle-market privately held businesses to enable them to thrive in their markets. The Firm partners with high-net-worth individuals – owners, founders, and executives – to help them protect and grow their wealth. ASL identifies untapped opportunities, challenges, and solutions, enabling clients to make the effective and timely decisions today that lead to a fuller and more secure tomorrow.

Designed to facilitate quality decisions, ASL’s services cover corporate tax planning and compliance, assurance and accounting, estate and gift tax planning, litigation support, succession planning, and valuation. The Firm’s services are contextualized by its specialties in real estate, construction, technology, international, family wealth and individual tax, emerging businesses, manufacturing and distribution, nonprofit organizations, renewable energy, and recreation and entertainment.