The partners

Meet the Luminum Partners

We are very experienced professionals from a variety of backgrounds, acting as senior executive coaches or advisors. We have managed large organisations, have built companies, and support leaders throughout their toughest leadership challenges.

Coaching partners
Lenka Sedlacek

Lenka Sedlacek

Executive coaching, transitions and leadership programmes

Lenka coaches executives through the step into a bigger role, when the things that made them successful are no longer enough. She came to coaching from corporate finance and audit at Société Générale, KPMG and UBS, and designs and leads leadership programmes, including cohorts at BMW. ICF PCC, trained at INSEAD and the Tavistock Institute.

Michela Andrenacci

Michela Andrenacci

Leadership coaching and facilitation

Michela coaches with the experience of someone who has managed people and built business herself: twenty years in FMCG and academia before she started her own coaching and consulting practice. She works with executives and teams, designs leadership programmes, and helps on business model and value proposition questions.

Tessa Dent

Tessa Dent

Organisational development and coaching

Tessa takes companies through B Corp certification and lectures in organisational psychology and sustainable development at the University of Geneva. As an organisational development consultant and coach, she works with organisations on change, leadership and employee engagement.

Anders Fleischer

Anders Fleischer

Executive and team coaching

Anders has coached senior management in international companies since 2002, after running businesses himself as a general manager and in sales, marketing and operations. He works as coach and sparring partner on organisational development, business culture and team effectiveness, and delivers leadership programmes with IMD faculty. Clients include ABB, Holcim, Nestlé, Shell and Swiss Life.

Marie-Dominique Jacquet

Marie-Dominique Jacquet

Executive coaching, individuals and teams

Marie-Dominique spent twenty of her twenty-five years in business at L’Oréal before turning to coaching. She works with managers and executives in their current roles and on moves into new ones, and with teams on how they work together, using a strength-based approach.

Andreas Timpert

Andreas Timpert

Executive coaching and facilitation

As talent partner for Deloitte’s consulting practice, Andreas was responsible for developing 650 consultants, and as a partner he built the firm’s transformation capability. After twenty-five years in consulting, twenty-four of them at Deloitte, he now coaches executives and teams. Trained with the Academy of Executive Coaching and as a team coach with David Clutterbuck; founder of ATVantage.

Maria Wilhelmsson

Maria Wilhelmsson

Executive presence and team coaching

Maria works on how a leader actually lands in a presentation, a meeting or a corridor: executive presence, voice and communication. She has coached executives and teams in IMD’s executive education programmes since 2010, was previously IMD’s director of corporate development, and founded VoxImpact.

Andreas Zink

Andreas Zink

Leadership and professional transitions

Andreas has seen leadership transitions from the HR side as well as from the coaching chair: ten years running global HR change and transformation mandates in leadership development, talent acquisition and merger due diligence, alongside coaching C-suite clients. Co-founder of Genuity.coaching; works in English, German and Italian.

Advisory partners
Jan Sedlacek

Jan Sedlacek

AI adoption and strategy

Jan has led transformation from the inside, as interim chief digital officer of a Swiss private bank, and built corporate venture units with Migros (Sparrow Ventures) and Bosch (Venture Beyond). With Alexander Mahr he extended the Corporate AI Journey & Maturity Framework with a leadership dimension. Earlier: Roland Berger and Kuoni; guest speaker at INSEAD Executive Education.

Alexander Mahr

Alexander Mahr

AI adoption and strategy

Alexander is the author of the Corporate AI Journey & Maturity Framework, on which LUMINUM’s AI adoption work builds. Since 2016 he has advised multinationals, large family businesses and sovereign funds on innovation strategy, and he has built businesses himself, including an advertising-technology company that was later acquired and Migros’s venture studio. He invests and sits on boards through his family office.

Business development
Clara Tay Mahr

Clara Tay Mahr

Client development

Clara brings twenty-five years of global key account management in logistics: across Europe and Asia-Pacific at Panalpina, then as global account director at DSV. Today she is chief of staff at AM Ventures.

How we staff a mandate

Work is not allocated to whoever is free. The partner you meet in the first conversation is a partner who will be doing the work, and if a mandate needs someone else's expertise, you meet them before it starts rather than after.

Contact

Get in touch:

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