Tatiana Sierra is a Senior Associate at Posse Herrera Ruiz since January 2025. Her professional practice focuses on tax law, mainly tax litigation.

Tatiana has over 8 years of experience in tax law, mainly in controversy and tax litigation at national and territorial levels, as well as in recovery of tax credits, tax consulting, wealth management, and establishment of companies abroad.

She has primarily provided professional tax services to several sectors including industrial, agribusiness, automotive, services, construction, and consumer industries, among others.

In addition, she has worked in the tax law area of three of the largest firms with a global presence

For the last 3 years, she has served as Senior Tax Manager for Tax Consulting and Litigation, where she created the tax litigation business line.