About
Sonia Zeng is a Director at Grant Thornton Stax with extensive experience advising private equity investors and their portfolio companies on buy-side diligence, exit planning, and growth-focused strategic engagements. Sonia’s experience spans multiple verticals, with a particular focus on industrials and vertical software (e.g., industrial automation, industrial tech / software, and equipment manufacturing).
Prior to joining Grant Thornton Stax, Sonia was a strategy consultant at Red Chalk Group and started her career in investment banking at Citigroup.
Sonia holds a B.A. in Quantitative Economics from Barnard College of Columbia University.
Extracurricular
Outside of work, Sonia enjoys volunteering at local pet shelters, where she helps animals find their ‘furever’ homes. She also loves discovering new parts of the world, immersing herself in different cultures, and exploring local food scenes.

About
Sonia is a Director at Grant Thornton Stax with extensive experience advising private equity investors and their portfolio companies on buy-side diligence, exit planning, and growth-focused strategic engagements. Sonia’s experience spans multiple verticals, with a particular focus on industrials and vertical software (e.g., industrial automation, industrial tech / software, equipment manufacturing).
Prior to joining Grant Thornton Stax, Sonia was a strategy consultant at Red Chalk Group and started her career in investment banking at Citi Group.
Sonia holds a B.A. in Quantitative Economics from Barnard College of Columbia University.
Extracurricular
Outside of work, Sonia enjoys volunteering at local pet shelters, where she helps animals find their ‘furever’ homes. She also loves discovering new parts of the world, immersing herself in different cultures, and exploring local food scenes.
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