Meet Our Experts

Tessa de Flines


Tessa de Flines is an independent consultant specialised in strategy execution and process improvement. Her strong analytical and problem-solving skills allow her to quickly identify high impact improvements. She has many years of experience in developing and executing various types of strategic plans. Tessa is at her best in situations where she can bring order in the chaos, create simplicity from complexity, set clear priorities and implement structure, processes and policies. With many years of international experience and with an American Dutch background, she is well-versed in achieving results in cross-cultural organisations.

Specialities: Strategy, Operational Excellence, Lean Six Sigma, Organisational Transformation, Change Management, Project Management, Pitch Development, Internationalisation

Pieter Jan Doets


Pieter Jan is a Business Growth Architect that has helped both corporate clients such as Microsoft, Oracle, SAS and Airmiles as well as high-tech scale-up companies to achieve tangible results and market leadership positions.

His core competencies and passion are in achieving unbeatable competitive power (marketing, product innovation, etc.) and organizing a growth strategy process to meet shareholders objectives.

Sofie van London


Strategic advisor with over 35 years of M&A experience at the high end of the international market. Broad network. Develops business models, value propositions, synergies, teaming, joint ventures and other joint operations; transforms organisations; devises checks and balances models for governance and quality assurance.

Has structured innovation in sharing communities, services sectors, R&D, cross-border operations and data collection. Proven track record of success in leading and supporting new modalities, services and product lines.

Analytic result driven connector. Works with the soul of organisations. Keen to push innovation with focussed impact. Other roles: corporate commercial lawyer, board member, entrepreneur, speaker, mentor.

Stephen Mangham


Stephen is a proven executive and entrepreneur who specialises in helping businesses define and articulate their value. He combines strategic vision with a deep knowledge of marketing and communications, business development and culture to guide profound change journeys in large and small organisations.

Stephen has advised corporates and start-ups in just about every business category in Western and Eastern Europe and Asia. He chaired the largest brand communications group in Southeast Asia before setting up his own business, which was subsequently sold to the Japanese owned Dentsu Group.

Stephen teaches Marketing for Entrepeneurs at EDHEC Business School, and is an active shareholder in a video content platform company.

Barry Edney


Barry is an experienced corporate executive, entrepreneur and consultant having worked with large manufacturing organisations on digital transformations and implementation of new ways of working (TOM), turnaround and recovery of poor performing businesses, lowering ‘cost to serve’ in sales and distribution networks and post merger / acquisition integrations.

He has led marketing functions including market entry strategies, product portfolio optimisation and price / margin improvement initiatives.

Jeannette Homan


Jeannette Homan is an entrepreneur with focus on growth through digitisation (development and implementation). She has 20+ years experience in managing major projects from strategy to implementation.

Focus on fintech, banking, investments, insurances, pensions and energy. In-depth knowledge of strategy, data, AI&ML, blockchain, software, platform architecture and sales.

Kathelijne Drenth


Kathelijne Drenth is a senior strategy consultant, entrepreneur, expert and lecturer in the field of systemic organisational and board/ team transformation, evolution and innovation. She has over 24 years of experience in collaborating with CEOs, boards and teams of MNC and SMEs in Europe and Brazil, enabling them to move forward with their organisation as one, by systemically organising coherent collaboration and integral cocreation around the organisation’s value-creation core purpose towards performing at best. 

Drenth is the co-developer of the Value Frame® and software application Intent®, with which to define an organisation’s core purpose as a coherent set of MECE parameters, making it integrable, scalable and measurable throughout. She is the founder of The Twelve B.V., an international group of strategic progress partners, executive coaches and trainers, and (co-)author of books, papers and articles about how to make systemic and sustainable progress and impact together.

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