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Nancy Tseng

Nancy Tseng

Los Angeles

Nancy Tseng is the leader of West Monroe Partners’ Los Angeles Mergers and Acquisitions practice. In her role, Nancy expands the firm’s presence across the West and extends its portfolio of innovative M&A solutions. She has extensive experience partnering with executives of Fortune 500 companies during large-scale transitions to set strategic vision, establish new businesses, and transform operations for profitable growth. 

Nancy Tseng is a seasoned advisor with a distinguished track record of helping global companies convert deals into shareholder value.  Her experience spans across the deal lifecycle from deal strategy through transformation planning.

Nancy leads multibillion dollar integrations and separations, including guiding teams through market assessment, due diligence, readiness planning, end state planning, synergy management, operating model design, and leadership and talent strategy development. Additionally, she has worked with companies to turnaround struggling businesses through delivery model changes. Her experience in the consumer and industrial sectors include aerospace and defense, automotive, beverages, chemicals, electronics, manufacturing, media, retail and transportation. 

Nancy is responsible for helping advance the practice’s market strength in the West and expand the firm’s post-close deal offerings. She possesses extensive experience developing teams and working with people at all levels across five continents and across organizations, including executive, sales and marketing, IT, human resources, finance, and procurement.

Prior to West Monroe Partners, Nancy began her career with Booz Allen Hamilton, including being part of its joint venture with Lehman Brothers, and then joined Deloitte Consulting as a leader within the Mergers & Acquisitions practice. She has been recognized for excellence throughout her career, including being the recipient of the Association of Management Consulting Firms’ Award for growth strategy, Deloitte’s Global Award for practice building and sales, and Booz Allen’s Professional Excellence Award.  

Nancy earned a Bachelor of Science in Industrial Engineering and Bachelor of Arts in Economics from Stanford University. She is a board member of Stanford’s Orange County Alumni Association and is active in the civic community, including serving as a Board Member At Large with the Segerstrom Center for the Arts Rising Leaders Council and as a member of the National Association of Corporate Directors. When not working, Nancy enjoys jogging the beaches of Crystal Cove and exploring countries through food, wine and art.

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