Megan Gallien, CPA

Partner | Chief Financial Officer & Chief Operating Officer

A Certified Public Accountant and partner in the firm, Megan brings more than 20 years of accounting, consulting, and executive leadership experience. Before joining GMJ, she spent 10 years in public accounting, building a strong foundation in financial reporting, auditing, tax, and business consulting.

As Chief Financial Officer and Chief Operating Officer, Megan provides executive leadership for the firm’s financial management, operations, strategic initiatives, and continued growth. She oversees all accounting and financial reporting functions, directs company operations, leads contract negotiations and administration, and manages internal control best practices. She also advises clients on economic development and property tax incentives, helping them secure, structure, negotiate, and administer complex state and local incentive agreements while ensuring compliance with incentive requirements throughout the life of each project.

Megan works closely with private industry and state and local governments to negotiate and administer complex economic development and property tax incentives, helping clients maximize available benefits while ensuring long-term compliance and project success.

Prior to joining GMJ, Megan served as Manager and Audit Manager at one of the region’s largest public accounting firms, where she directed all phases of financial statement and attest engagements for a diverse client base. In addition to audit services, she advised clients on tax planning and preparation, financial reporting, accounting services, and business consulting.
Professional headshot of Megan Gallien at Griffith Moseley Johnson
  • Promoted to Chief Operating Officer – September 2025
  • Certified Public Accountant, Texas State Board of Public Accountancy
  • Bachelor of Business Administration in Accounting, Lamar University
  • President of the TXCPA Southeast Texas, a chapter of the Texas Society of Certified Public Accountants (member since 2004)
  • Board Treasurer for Inspire Encourage Achieve (IEA) since 2016
  • TXCPA Rising Star award recipient for 2018: CPA members 40-years-old or younger who have demonstrated exemplary leadership skills and active involvement in TXCPA, the accounting profession and/or their communities
  • Graduate of Leadership Southeast Texas (LSET) – 2012
  • Chair and annual spokesperson for the Annual School Supply Drive of the TXCPA Southeast Texas since 2018
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Service Areas

Strategic location analysis for expansion and relocation

Supporting investment, business attraction and community growth.

Helping clients navigate permitting compliance and regulatory challenges.

Consulting services for public safety and justice organizations.

Identifying opportunities and building strategic partnerships that support long-term growth.

Securing and managing funding opportunities from concept through closeout.

Coordinating executive travel, accommodations, dining, and business logistics.