nuAgility Leadership
Podcast Hosts, Facilitators, and Contributors
Tobey Aumann
Facilitator, Business and Strategic Agility Lab
Tobey is an international speaker, leadership coach, and facilitator with two decades of experience across engineering culture, Agile practice, and organizational systems. They have held roles including Agile Practice Lead, Director of Technology, and leadership coach at companies such as Spotify and CircleCI. Tobey is known for their work in participatory decision‑making, remote leadership, and humane, inclusive organizational design.
Jörg Pietruszka
Co-Host of the ACN Podcast
Jörg is an Agile practitioner and coach with experience in product concept creation, requirements management, and project leadership across the automotive, telecommunications, and consumer industries. He has led multinational teams and supported organizations through Agile adoption and change. As an ACN Podcast co‑host, he brings a thoughtful, practitioner‑focused perspective to conversations about improving how work gets done.
Rhea Stadick
Facilitator, Business and Strategic Agility Lab
Rhea is a transformation leader with deep experience in Agile coaching, complexity‑based design, and organizational development across Fortune 50 environments. She has led global conferences, founded change‑agent communities, and specializes in helping leaders build thriving, adaptive organizations.
Diana Larsen
Co-Host of the ACN Podcast and Agility Lab Facilitator
Diana is a renowned Agile and organizational development expert, co‑author of Agile Retrospectives and Lead Without Blame. As a co‑host of the ACN Podcast and facilitator in the Agility Labs, she brings deep expertise in team dynamics, leadership, and continuous improvement.
Shawna Cullinan
Co-Host of the ACN Podcast and Lab Facilitator
Shawna is a veteran product development and transformation leader with more than 25 years of experience across organizations such as Ticketmaster, E! Online, the LA Times, and GoodRx. She specializes in large‑scale Agile transformations, organizational design, and leadership development. Shawna is also co‑founder of Cicada Agility and a regular facilitator in the Business Agility Lab.
Dana Dismukes
Facilitator, Business Agility Lab
Dana is an Agile transformation leader and Registered Scrum@Scale Trainer with extensive experience guiding large organizations through Agile adoption. At Dell, she leads Agile transformation for major product groups and previously directed program execution at MetLife. Her background spans coaching, RTE leadership, and enterprise‑scale delivery.
Sheila McGrath
Co-Host of the ACN Podcast
Sheila is an experienced program manager, product leader, and Agile coach with a background spanning consulting, financial services, transportation, and government. She has held roles at PwC, Marriott, AARP, Capital One, and Fannie Mae, and brings decades of practical experience in Agile delivery and organizational leadership.
April Mills
Co-Host of the ACN Podcast
April is a globally recognized change leadership expert, nuclear engineer turned transformation strategist, and author of Everyone Is a Change Agent and Change Tactics. She has led major organizational transformations at Intel and the U.S. Navy and is known for her practical, human‑centered approach to accelerating change.
Hendrik Esser
Co-Host of the ACN Podcast and Agility Lab Facilitator
Hendrik is a senior leader at Ericsson who played a pivotal role in the Agile transformation of a 2,000‑person global R&D organization. With a background in engineering, systems management, and portfolio leadership, he is a frequent international speaker and contributor to the Agile Alliance’s Supporting Agile Adoption initiative.
Suma Sundaram Aggarwal
Facilitator, Business Agility Lab
Suma is the Lead Agilist for Dell’s Primary Storage Division, where she guides global Agile coaches and RTEs in scaling Agile across PowerStore product lines. With a background in telecom, data storage, and IT solutions, she is known for developing high‑performing teams and driving continuous improvement at scale.
Sheila Eckert
Co-Host of the ACN Podcast
Sheila is a veteran Agile coach and author of Agile Meets AI, a pragmatic guide to modern agility in the age of artificial intelligence. With 30+ years in software and product delivery, she focuses on helping teams overcome anti‑patterns, reduce waste, and integrate AI responsibly to amplify human capability. She is also the founder of The SheilaVerse learning platform.
Julia Kaissling
Facilitator, Strategic Agility Lab
Julia is an executive coach and co‑founder of Cicada Agility, specializing in leadership development, organizational design, and cultural transformation. She brings years of experience helping leaders build reflective, adaptive organizations and is known for integrating coaching, systems thinking, and personal development practices.















