Success is more than simply delivering the ‘right’ answer. It is measured by the relationships we build and nurture, both within the firm and with our clients.

Dianne C. Mehany

EY Private National Tax Leader

Working together with my team, colleagues and clients to develop the best path forward. Always appreciate a pithy text or parenting meme.

Dianne is a principal with Ernst & Young LLP and the EY Private National Tax Leader. She joined the firm in 2021 from an international law boutique, where she was a partner and served on the board of directors.

With more than 20 years of experience, Dianne has focused her career on controversy and planning with respect to high-net-worth individuals and their affiliated entities. She works with trusts and closely held businesses, particularly those for families with footprints in many jurisdictions and adopts a holistic approach when advising families on planning and compliance.

Dianne obtained her JD and BCL at Louisiana State University and her LLM in Taxation from Georgetown University.

How Dianne is building a better working world

I strive to foster an environment where we learn about the person behind the project. Much of our work is done independently, but I know we also thrive on collaboration, community and camaraderie. When we combine our individual perspectives and strengths, we can create something better than we believed possible.

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