Gillian Holcomb

Overview

Gillian Holcomb is Senior Vice President of M&A Integrations at Ryan, based in the Firm’s Plano office. She leads integration strategy and execution for acquired businesses, ensuring seamless operational, cultural, and service alignment that supports long-term growth and client continuity. Gillian works closely with executive leadership, practice leaders, and acquired teams to deliver disciplined integration outcomes that preserve value and accelerate performance.

Gillian brings deep experience in transaction tax consulting, operational leadership, and professional development. Her background includes advising clients across the semiconductor, forestry, healthcare, chemical, and aluminum industries, as well as leading internal training and talent development initiatives at Ryan. Known for her structured approach and collaborative leadership style, Gillian ensures integrations are executed with clarity, accountability, and a strong focus on people, processes, and client experience.

Education and Qualifications

Bachelor of Business Administration, Finance and Marketing, Texas A&M University

State Tax School I, Institute for Professionals in Taxation

Experience and Achievements

Senior Vice President, M&A Integrations, Ryan, Plano office

• Leads post-acquisition integration strategy, planning, and execution

• Partners with leadership teams to align operations, talent, and service delivery

Director, Transaction Tax, Ryan, Dallas office

• Advised clients on multijurisdictional transaction tax matters across multiple industries

Manager, Ryan, Dallas office

Facilitator, Professional Development Committee, Ryan

Board Member, Little Elm Economic Development Committee

Member, Dallas/Fort Worth State Tax Association

Member, Institute for Professionals in Taxation