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      Darci Darnell

      Partner,

      Chicago

      Head of our Global Customer Strategy & Marketing practice

      Headshot of Darci Darnell
      Get in touch

      About Darci

      Expertise

      • Financial Services
      • Insurance
      • Payments
      • Net Promoter System®
      • Sales and Marketing
      • Strategy
      • Elements of Value®
      • Net Promoter®

      Highlights

      • Global Women's Leadership Council Member
      • Extensive customer retention strategy, NPS® and employee engagement expertise
      • Experience in Bain's London, San Francisco and New York offices

      Darci Darnell is the leader of our global Customer practice and an active member of our Financial Services and Strategy practices.

      Darci has nearly two decades of management consulting experience.

      She works with clients across a range of industries to address customer strategy and marketing topics, with particular expertise in customer retention strategy, NPS® and employee engagement. She has also led work across various topics in B2B, including segmentation, product line strategy, hothouse prototyping and business unit strategy. 

      "When companies have employees who are engaged—who are eager to put their discretionary energy, creativity, and enthusiasm to work—the companies grow faster."
      Darci Darnell

      Within the financial services industry, Darci advises clients in the payments, banking, insurance, consumer lending, credit cards and mortgage lending sectors. She has worked with clients in a range of additional industries, including consumer products, healthcare and technology. She regularly provides expert advice on the changing economic and regulatory landscape and its impact on corporate and business unit strategy in financial services. She also has extensive experience in merger integration, customer experience and loyalty and performance improvement. She co-wrote Winning on Purpose: The Unbeatable Strategy of Loving Customers, with Maureen Burns and Fred Reichheld.

      In addition, Darci is a leader of our gender parity initiatives and sits on our Global Women's Leadership Council. She regularly speaks and participates in women's networking events. 

      Darci has worked in our London, San Francisco and New York offices. Prior to joining us in 2000, she was a principal consultant for another global firm across North America and Asia, notably South Korea. She also worked in the Office of the Chairman for Dell.

      Apart from work, she is an active investor in the fitness and technology services industries.

      Darci holds an MBA from The Tuck School at Dartmouth College, as well as a B.S. in Business Administration, with honors, from Washington University in St. Louis.

      She passed the CPA exam in 1995. 

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      The Customer Confidential Podcast

      Net Promoter System®
      Ping-Pong Tables Don’t Inspire Employees, Real Autonomy Does
      Bain’s Darci Darnell says freeing your employees from common constraints can inspire your team and instill in them a lasting sense of purpose.
      NetPromoterSystem.com
      Bringing Net Promoter® to the People, with Darci Darnell
      Bain's Darci Darnell explains how companies are using Net Promoter for People to create a culture of ownership among employees.
      NetPromoterSystem.com

      Recent Insights

      • “How to Drive Growth with a Great Customer Experience ,” Beyond the Bio Podcast,February 2023, Podcast
      • “The Unbeatable Strategy That Too Many Leaders Miss,” Webinar, April 2022
      • “Speaking the Five Languages of (Customer) Love,” Article, February 2022
      • “Happy Customers Make Happy Investors,” Snap Chart, February 2022
      • “Love, Love Me Do: New Data Proves the Value of Customer Love ,” Brief, February 2022

      In the News

      • “Bain & Company appoints Philip Dowling to lead global Brand, Marketing & Sales practice,” Press release, November 2025
      • “Bain & Company Named as a “Leader” in IDC MarketScape: Customer Experience Strategy Consulting Services 2025 Vendor Assessment,” Press release, October 2025
      • “Bain & Company appoints Eduardo Roma as global head of Customer Experience,” Press release, March 2025
      • “Bain & Company, the inventor of NPS, launches NPSx, a new digital venture focused on customer experience training and certification ,” Press release, July 2022
      • “Top Business Books of 2021,” Forbes,December 2021, Forbes

      Ready to talk?

      We work with ambitious leaders who want to define the future, not hide from it. Together, we achieve extraordinary outcomes.

      Net Promoter®, NPS®, NPS Prism®, Net Promoter System®, and the NPS-related emoticons are registered trademarks of Bain & Company, Inc., NICE Systems, Inc., and Fred Reichheld. Net Promoter Score℠ is a service mark of Bain & Company, Inc., NICE Systems, Inc., and Fred Reichheld. Elements of Value® is a registered trademark of Bain & Company, Inc.

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