Addison Group’s Heather Tarrillion named on Staffing Industry Analyst’s (SIA) annual Global Power 150 Women in Staffing list
CHICAGO (October 7, 2025) — Staffing Industry Analysts (SIA), a Crain Communications brand, has named Heather Tarrillion, President of Finance and Accounting, Contract (FAC), to the annual Global Power 150 Women in Staffing List. This prestigious list acknowledges women leaders’ exceptional achievements and significant impact on the talent solutions industry, including their leadership, innovation, and commitment to driving positive change.
Heather has been a catalyst for growth at Addison Group for almost 20 years. Earlier this year, she was promoted to President of FAC, where she now leads Addison Group’s largest vertical. This vertical is present in 27 markets and is the largest revenue driver for Addison Group Talent Solutions (AGTS), with more than $100 million in revenue annually.
When notified of her inclusion, Heather commented:
“It is an incredible honor to be named to SIA’s Global Power 150 Women in Staffing list. I am just as passionate about my work at Addison Group today as I was 20 years ago when I started my career. Addison Group has continued to give me and my team the opportunity to thrive, and I am so excited to continue the momentum.”
Heather Tarrillion has been a mainstay of consistent performance and People-First leadership at Addison Group throughout her time here and absolutely deserves this recognition. She is setting the standard for what it means to be a leader in staffing and always offers her very best to our clients, candidates, and team members. We look forward to everything she will continue to achieve in her role.
Thomas Moran, CEO, Addison Group
In addition to her commitment to Addison Group, Heather is a devoted working mother and local philanthropist in the San Antonio community. She volunteers at her children’s schools, local food banks, Habitat for Humanity, and San Antonio Threads, which helps at-risk teens.
Addison Group celebrates Heather’s inclusion and is grateful for all she has done over the last two decades. Her colleagues praise her attention to every voice and opinion, citing that as one of the reasons why FAC continues to be a leader in the organization’s success.
About Addison Group
Addison Group is a renowned leader in talent solutions and consulting services, delivering top-tier talent and consulting expertise across the United States. Praised for its People-First approach, Addison Group has been recognized among the fastest-growing private companies in the country by Forbes, Staffing Industry Analysts, and others. Dedicated to innovating and evolving to meet business needs, Addison Group’s comprehensive service offerings are supported by its portfolio of specialized brands: Addison Group Talent Solutions (AGTS), AIM Consulting, ArcLight Consulting, Bridgepoint Consulting, DLC, Harmony Healthcare, Kranz Consulting, and Mondo.
About Staffing Industry Analysts (SIA)
Staffing Industry Analysts (SIA) is the premier global research and advisory firm focused on staffing and workforce solutions that offers member-only access to real-time data, market intelligence, extensive research, industry expertise, and leading analysis. SIA’s trusted annual assessments are considered the gold standard in human capital management.
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