Meet Our Partners at Weiss Accountancy Corporation

We have provided biographies for our senior staff, who work hand-in-hand with our team members. This will give you a better feel for our overall level of experience and expertise, and help you understand our company philosophy, which is deeply rooted in building strong, long-lasting relationships.

Scott J. Weiss, CPA, MST


Scott Weiss is a graduate of California State University – Northridge. He obtained his Masters in Taxation at Golden Gate University.  With 30 years of experience, he specializes in advising entrepreneurs engaged in manufacturing, distribution, and real estate, with an emphasis on taxation and business consulting. In his free time, he enjoys golf, traveling, and spending time with family.

Mitchell Weiss, CPA


Mitch Weiss is a graduate of UCLA with a Masters degree from the University of Oregon in Human Resource Management. With 30+ years of experience, he specializes in advising small businesses and real estate firms, in all aspects of accounting and taxation, business advisory, and financial planning. Mitch enjoys exercising, traveling and watching all sports and especially supporting UCLA athletics.

Steven J. Grossinger, CPA


Steven graduated from Western Michigan University with a degree in accounting. With 30 years of public accounting experience, Steven serves as managing supervisor and tax manager for Weiss Accountancy Corporation’s professional tax staff. He has an outstanding record representing clients with IRS tax audits and he is particularly meticulous with his attention to deadlines. A spirited sports fan Steven spends his nonworking hours watching a wide range of sporting events and enjoys golf.

Dennis Burbridge, CPA, MST


Dennis joined Weiss Accountancy in 2015 having practiced as a CPA partner/owner for 35 years.  He graduated from California State University Northridge and obtained his Masters in Taxation at Golden Gate University.  He is a Member of the AICPA and CSCPA.  His experience includes taxation of pass through entities, real estate, succession planning, cross-border transactions, litigation support and extensive consulting to closely held businesses.  Dennis lives in the Northern California gold country and likes to fly fish, play golf and play guitar.

Catherine Lopez, CPA


Catherine is a graduate of University of California, Santa Barbara where she obtained her degree in business economics with an emphasis in accounting. She works in both the tax and audit & assurance areas and specializes in working with entrepreneurs and their closely held businesses. Catherine enjoys crafting, brunching, and, most importantly, spending time with her family.

Eric Weiss, CPA, MST


Eric is a graduate of University of Michigan, with a Masters in Taxation from CSUN.  Eric’s emphasis is on taxation and entrepreneurial business consulting with experience in real estate, apparel and financial investment businesses.  Eric enjoys playing and watching sports, traveling and charity work.

Jason Weiss, CPA


Jason is a graduate of University of Colorado, Boulder, with a BS in Accounting.  Jason is versed in accounting, audit and taxation, as well as entrepreneurial business consulting with experience in real estate and distribution businesses.  Jason enjoys playing and watching sports, traveling and spending time with friends and family.

Denise Donovan, CPA


Denise graduated from the University of Arizona with a BS in Business Administration. With over 20 years of experience, she is able to handle any task, including accounting, auditing, and tax, with clients in construction, real estate, and more. During her time off, Denise likes to entertain, travel, go wine tasting, cook, and cheer on the Boston Red Sox.

Gil Ostrick, CPA, CVA


Gil Ostrick is a graduate from the University of New York with a B.S. in accounting and finance. He is a CPA and CVA with NACVA. Gil specializes in business valuations for IRS compliance in estate & gift tax and other tax considerations, partner/shareholder disputes, buy/sell agreements, and mergers and acquisitions. Outside of the office, Gil is an avid tennis player.

Melinda Altimari, CPA


Melinda graduated with a BA in Business Economics from UC Santa Barbara. She has over 15 years of experience, specializing in auditing and accounting, as well as real estate, multi-state taxation and foreign reporting issues. In her spare time, Melinda likes to spend time cooking and entertaining with her two young children.

Steve Post, CPA, MST, CVA


Steve obtained his undergraduate degree in economics from UC Berkeley, and his Masters in Taxation from CSU – Northridge. Additionally, he holds the Certified Valuation Analyst credential from NACVA. He specializes in working with business owners advising on complex tax planning and management decision making, and performs business and entity valuations as part of estate and succession planning. Steve is a fluent in Russian, and enjoys hiking and learning to cook.


Weiss Accountancy Corporation

16217 Kittridge Street

Van Nuys, CA 91406