Wendy Heiss is an Audit Partner specializing in the Cannabis sector, with over 20 years of experience in auditing and eight years in the cannabis specific industry.
She is dedicated to guiding organizations through the complex and rapidly evolving challenges faced by cultivators, manufacturers, and retailers. Wendy’s passion is helping clients navigate the intricate risk environment that defines this fast-growing sector, enabling them to overcome reporting, compliance and regulatory hurdles with confidence.
Wendy has extensive experience in U.S. and international public and private accounting, as well as financial reporting matters. She is well-equipped to assist organizations with complex transactions, whether raising funds through public offerings, reverse mergers, debt, or private equity financing, or utilizing those funds for business combinations and joint ventures. Wendy strives to provide a safe and strategic path to growth for her clients.
Learn more about my professional experience and how I spend my time outside the firm.
Education:
Professional Affiliations:
Outside of work, Wendy enjoys spending time with her family in Idaho, living their rural life and contributing to the community. Whether it’s spending time with the animals or taking on challenges, she values hard work, connection and giving her all.
On December 18, 2025, President Trump signed an Executive Order directing the Attorney General to expedite rescheduling marijuana to Schedule III under the Controlled Substances Act. This marks a historic shift in federal policy and sets the stage for significant changes in research, compliance and taxation. Key Points from the Executive Order What This Means…
Withum welcomes Wendy Heiss as a partner in its Cannabis Practice to expand cannabis accounting and business advisory services for the firm. I’m thrilled to have the opportunity to bring my knowledge in the cannabis marketplace to a recognized player in this space. Heiss brings 20 years of public accounting and auditing experience, eight primarily…