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  1. Professionals

Diane Costigan

she/her/hers

Director

Coaching and Well-Being

New York

+1 212-294-4626

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  • Overview
  • Credentials
  • Insights & News

As director of coaching and well-being, Diane supports the firm’s comprehensive talent development strategy through positive interventions that impact the development, wellness, and career paths of attorneys and senior professional staff. She leverages her coaching certification, consulting background, and more than 20 years of experience in the legal service industry to help attorneys and staff reach the highest level of performance and engagement, and provide stellar service to our clients. 

As a seasoned executive and career coach, Diane works with all levels of attorneys and senior professional staff to drive performance and career related goals. Whether designing a coaching intervention at critical career points, such as a lateral integration or role elevation, creating strategies for identified areas for improvement, or simply providing support for a real-time challenge, Diane creates a culture of coaching and well-being that aligns the firm’s business objectives with individual career and performance goals.

Prior to joining Winston & Strawn, Diane was a partner and head of the coaching practice for a nationally recognized legal talent management consulting firm serving Global 100 law firms. She also spent 10 years at a Global 100 law firm overseeing professional development, recruiting, legal personnel, and diversity. 

Credentials

Education

Diane was elected as a Trusted Advisor by the Professional Development Consortium. She has a certificate in Organizational and Executive Coaching from NYU and is an Associate Certified Coach (ACC) with the International Coaching Federation. She is also an Integrative Nutrition Health Coach (INHC) through the Institute for Integrative Nutrition, and a certified Emotional Freedom Technique (EFT/Meridian Tapping) practitioner. Diane earned her M.A. in Organizational Psychology from Columbia University, and B.A., cum laude, Phi Beta Kappa, from the College of the Holy Cross. 

    Related Insights & News

    Diane is a prolific writer and frequent speaker on talent development in the legal services industry. She has been quoted in Forbes, Law360, and Law Practice Magazine.

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    October 24, 2024

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    Blog
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    Sponsorship
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    January 23, 2024

    Recognitions
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    August 17, 2023

    Blog
    Winston’s Fourth Class of Protégés Graduates from D&I Associate Sponsorship Program

    May 25, 2023

    View All Insights & News
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