• Making Shift Happen

    Tammy Gretz

  • Tammy G

    Transformation Coach| Agile Mindset | Collaborator


    She has been influencing change through servant leadership, elbow grease, and lattes for over 20 years. She is a massive maker; most of her experience comes from the relentless pursuit of understanding team dynamics, continuous improvement, and reflection.

    Tammy's has sprinted with some of the largest and most diverse industries in the Fortune 500, including gas & oil, energy, engineering, legal, non-profit, and insurance. Tammy is a passionate learner and has engaged in the learning communities of IDEO U, altMBA, Agile People, and Scrum.org. She has participated in the Nike Circular Innovation Challenge: Design with Grind with OpenIDEO and strives to help others by volunteering her time to other learners at IDEO U.



  • My Purpose Statement

    I exist to inspire, generously collaborate, and embrace tension to allow SHIFT to happen.

  • Experiences

    Making a ruckus here and there and everywhere.

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    May 2018-Present

    Innovator with Nike Grind Bumper Plate Team: How might we create a waste-free, circular future by designing everyday products using Nike Grind materials?

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    Agile 2018 San Diego

    August 2018

    Co-Presenter From Self Obsession to Self Selection: A Scaled Org's Journey to Value Reorganization


    Where Agile tribes collide at the largest conference of its kind in North America.

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    Agile Toolkit Podcast

    August 2018

    Podcast Guest with Wendy Jacobs talking about our presentation from Agile 2018 with Bob Payne at LitheSpeed Agile.

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    People Like Us Podcast

    August 2018

    Podcast Guest with Covington Doan


    People Like Us is a show about altMBA alumni.

  • Current Work In Progress

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    Sr. Business Agility Consultant

    "Have a positive impact on the life of ANYONE who interacts with Trissential"

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    IDEO U Volunteer

    Alumni Coach

    An online school where leaders can unlock their creative potential and build their problem-solving skills.

  • Current Certifications

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    Our mission is to create transformational learning that ignites agility across organizations.



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    Helping People and Teams Solve Complex Problems



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    IDEO U

    Designed to move you from learning to applying



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    International Coaching Federation (ICF)

    Empowering the world through Coaching.




    I'd love to chat with you! Contact me if you want to dive in on:

    • Coaching
    • Building a personal purpose statement
    • Agility
    • Design Thinking

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  • Book Shelf

    My most recommended books for Agile, Leadership and Coaching

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    The Coaching Habit: Say Less, Ask More & Change the Way You Lead Forever

    Best book for leaders and those curious about coaching.

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    Making Work Visible: Exposing Time Theft to Optimize Work & Flow

    Best book for anyone wanting to make their work more transparent and begin working on the things that are most valuable.

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    Co-Active Leadership, Second Edition: Five Ways to Lead

    Best book to help you understand your personal leadership style.

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    Range: Why Generalists Triumph in a Specialized World

    Best book to help you experiment your way forward and thrive in your world.