The people behind the work
Dr. Arndt Brandenberg
Executive Coach & Senior Advisor Essen, Germany"I believe in the power of purpose and joy – and in creating high performing teams and organizations where joy and fun are possible. Change always starts with ME."
I design, lead and support large cultural transformations in organizations, creating sustainable impact. I also teach as a university lecturer and author — because this knowledge is not only crucial for the lasting success of organizations, but for the happiness of millions of people.
Arndt brings together academic rigor, executive experience and hands-on transformation expertise. With a PhD in motivation theories and incentive systems, he has spent decades studying and applying what actually drives human performance in organizations.
Recent Engagements +
- Set up and supported the transformation of a multi-national engineering company — designing and facilitating top-leadership team interactions and leadership training programs.
- Set up and supported a large-scale cultural transformation in a global chemicals company — coaching the CFO top-team toward becoming a high performing team.
- Supported the cultural transformation journey of a European utility, focusing on the top teams (TOP20, TOP60 and the annual Company Conference).
- Led the CFO top-team journey of a global automotive company; coaching the top leadership team of a German diocese (pro bono).
Experience +
- 2020–today — Founder of The Trusted Advisors; university lecturer for change management at the INEKO Institute, University of Cologne. 2022: release of "Changeonomics".
- 2016–2019 — Senior Vice President for Applied Excellence at innogy, leading the global transformation program NWoW.
- 2012–2016 — Vice President for Change Management at RWE. 2005–2012 — CFO RWE Hungaria and leading controlling functions.
- 2001–2005 — Engagement Manager at McKinsey. PhD in motivation theories; business degree from the Catholic University of Eichstätt.
Widowed, Arndt lives with his two sons in Essen. He loves time with family and friends, hiking with his dog, and football — a referee in Germany's highest non-professional class — as well as motorbiking and camping. As chairman of "Villa Kunterbunt e.V." he supports children with mental illness.
Languages: German (mother tongue), English (fluent)
Roland Hess, Dipl. Ing.
Executive Performance Coach & Senior Advisor Vienna / Berlin"I am a system-thinker who cares deeply about our future and the planet. The future has already arrived — it just needs to be distributed for the benefit of all."
As a system-thinker, my passion is to create great human experiences and scale behavioral change. Understanding an organization as a "system" and identifying its blocking mental models are instrumental in successful transformation. With the motto "Change always starts with me", I help build foundations that sustainably shift the behavior of teams and organizations.
With a background in Forestry, Roland brings an unusual systems-thinking perspective to organizational change — shaped by nature's own principles of resilience, adaptation and sustainable growth.
Recent Engagements +
- Coaching CEOs, board members and senior executives and their teams across Europe, Australia and the US — toward high performing boards and senior executive teams.
- Led a large-scale business transformation of the global innogy organization, impacting 40,000+ employees — with operative cash-flow improvement of €400m+.
- Led a large-scale transformation of a global organization, impacting more than 60,000 employees, with operative cash-flow improvement of €500m+.
Experience +
- Since 2022 — Founder & CEO of The Trusted Advisors. Since 2023 — Senior Advisor to FullCircle Group (Leadership Circle Group).
- 2022–2024 — Senior Advisor to McKinsey / Aberkyn. Co-author & publisher of "Changeonomics" (2022).
- 2012–2019 — Senior Vice President for Applied Excellence at innogy. Degree in Forestry; formerly CIO of the Austrian Federal Forests.
Roland lives with his partner between Vienna and Berlin. He works with global top athletes to bring passion, sustainable performance and resilience into business. Joy means being with family and friends — on runs, hikes, the tennis court, a sailboat, or cooking together.
Languages: German (mother tongue), English (fluent)
Dr. Gerit Saupe
Executive Performance Coach Leipzig, Germany"Aligning people, behavior, purpose, culture and strategy to enable execution and growth is my real passion."
Since 2003 I have facilitated transformation for systems, teams and individuals, and accompanied executives and their teams on their journeys. I love raising awareness of one's own behavior, outcomes and systemic patterns — enabling leaders, teams and individuals to connect deeply, grow, thrive and flow.
An organizational psychologist with a PhD from the University of Leipzig (magna cum laude) on effective leadership behavior, Gerit has advised businesses and top-teams through large, long-term transformations for over 15 years.
Recent Engagements +
- Co-creating and facilitating a Top-Team Journey and executive-level coaching in a leading international energy corporation.
- Creating an extensive culture-change program for a leading energy company in the grid area — top-team alignment, communication and leadership-skill development.
- Coaching and supporting the top leadership team of a pharmaceutical company toward growth and cultural change.
Experience +
- 2010–today — Founder of mondayo consulting, accompanying large transformation processes in energy, chemical, pharmaceutical and consumer-goods sectors.
- 2010–today — Visiting lecturer at the University of Leipzig (sustainable development). 2005–2018 — lecturer in organizational psychology, leadership and change.
- 2003–2007 — Management consultant at Accenture and CII Group AG. PhD in psychology (leadership effectiveness).
Gerit lives with her family in Leipzig. Joy means being with her two daughters and her husband — skiing, travelling or on the football court. In 2008/2009 she made a two-year trip around the globe and still draws on the experiences.
Languages: German (mother tongue), English (fluent)
Arne Mühlholm
Senior Executive Coach Near Frankfurt, Germany"True leadership comes from within — a place of love for people. My inner journey reflects my outer experience."
I believe my inner journey reflects my outer experience. Inner focus has shifted my life and what matters to me — at the core are deep, meaningful relationships. When I coach, I want to help people and groups find their very own way and passion.
Arne brings nearly three decades of deep expertise in financial services, with senior roles across London, Munich and Frankfurt — and an instinctive understanding of the pressures and blind spots senior leaders in complex organizations face.
Recent Engagements +
- Executive coaching of leaders in the financial industry in London. Mediation between CEO and CFO; between CEO and COO.
- Executive coaching to an executive at a stock exchange, a private equity firm and in the pharma industry; coaching a team of executives at an investment management firm.
- Chairman of the supervisory board of FAM Frankfurt Asset Management AG.
Experience & Certification +
- 2020–today — Coach, author and his own CEO. 2015–2020 — board member for Corporate & Investment Banking.
- 1991–2020 — A corporate career from Munich to London to Frankfurt; his biggest journey reduced personnel from 3,000 to 1,000 while growing the business.
- Qualified as a coach (University of Mainz); The Leadership Circle. Deep experience in inner and large-scale transformation.
Arne has lived in London, Munich and Frankfurt and admires Nordic and Swedish leadership culture. He lives close to Frankfurt with his wife and their two children. In his spare time he loves singing, breathing, playing golf and watching football — and has finished a book to be published in 2026.
Languages: German (mother tongue), English (fluent), Spanish (almost fluent)
Behind the scenes
Want to work with us?
Every transformation begins with a conversation. We would love to hear from you.
Get in Touch