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Kouhaila (Ki) Hammer

Chairman + CEO

Throughout a celebrated career of nearly 40 years, Kouhaila has never been satisfied with the status quo. An entrepreneur at heart, Ki is in constant search of new opportunities to drive our organization forward, approaching every business decision with a progressive vision complemented by pragmatism. As G-TECH’s Chairman and Chief Executive Officer, she leads a culture that values innovation, collaboration, and the entrepreneurial spirit in everyone.

Ki holds a Bachelor of Arts in accounting from Michigan State University. A strong advocate of community involvement, she recently served as President of the Engineering Society of Detroit. She currently sits on the boards of the Community Foundation for Southeastern Michigan and the Rackham Foundation, as well as the Detroit Regional Chamber board and executive committee. She is also a member of the International Women’s Forum and has been recognized as one of the 100 Most Influential Women in Michigan by Crain’s Detroit Business three times (most recently in 2016).

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Peter Ghafari

Chief Operating Officer

With his industrial engineering background, Peter is motivated to develop strategies that spur high performance and enable efficient service delivery. As G-TECH’s Chief Operating Officer, he is committed to implementing top-of-the-line tools, technologies, and processes that strengthen our recruiting and placement infrastructure and enhance our team’s ability to generate value for our Fortune 500 clients.

Peter holds a Master of Science in industrial engineering from Wayne State University with an emphasis on lean manufacturing and project management. He earned a Bachelor of Science in business administration from Boston University with concentrations in finance and operations management. Active in the Detroit community, Peter is a member of the Detroit Economic Club Young Leaders and a board member of the Detroit Institute of Arts Founders Junior Council. He is also a Lean Construction Institute and United Way member.

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Nicole Ghafari


As Principal, Nicole strives to advance G-TECH’s mission, values, and vision through a variety of strategic initiatives focused on employee engagement, internal and external communications, and key partnerships. With nearly a decade of marketing experience, she believes that clear communication is at the crux of operational effectiveness and successful collaboration.

Nicole holds a Master of Business Administration with honors from the University of Chicago Booth School of Business and graduated magna cum laude from Boston College with a Bachelor of Science in management. An active Chicago Booth alumna, she serves on the admissions committee as a candidate interviewer and application reviewer. She is also involved with the school’s professional women’s forum, Graduate Women in Business.

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Jehan Ghafari

Branch Manager, Texas

With over 20 years of experience in change management consulting, recruiting, and account management, Jehan has a passion for understanding people’s professional goals and working collaboratively to develop strategies that position them for success. As Branch Manager of G-TECH’s Houston office, Jehan dedicates her energy to growing our Texas operations, managing client relationships, and supporting our team members based in the region.

Jehan holds a Bachelor of Business Administration from the University of Michigan.