CircleRadius builds on 40 years and two generations of pushing boundaries in leadership development.

CircleRadius builds on 40 years and two generations of pushing boundaries in leadership development.

CircleRadius stands for our contemporary approach to leadership and development. The circle represents learning communities that are inclusive, collaborative and help people thrive. The radius is about enhancing leadership impact to drive the business forward.

  • 1987 – Leo Steverink leaves his management development role at Heineken to found the International Management Education Consultancy (IMEC) and the Circle – a peer-to-peer community for human resource development managers.
  • 2002 – Stan Steverink joins Leo at IMEC, and the two work to grow the agency and the Circle community.
  • 2012 – A merger with Hay Group enables a joint offer with a wider leadership development portfolio and more global reach.
  • 2016 – Leo retires, and Stan relaunches the independent agency and Circle community – with expansion into more European countries, a broader portfolio and an international team – under the name CircleRadius.

CircleRadius stands for our contemporary approach to leadership and development. The circle represents learning communities that are inclusive, collaborative and help people thrive. The radius is about enhancing leadership impact to drive the business forward.

Our values

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Lasting impact

We build on a strong core of professional knowledge, experience and network. We value what works and innovate to get it right. We look at the details and the bigger picture to achieve sustainable impact.

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Genuine collaboration

We value carefully maintained relationships based on trust. Our team is approachable and genuine. We hear and understand HR and business leaders, and make sure we co-create future-fit leadership solutions that last.

values_todaytomorrow

Adding oxygen

We believe lasting impact requires some oxygen: keep breathing, keep reflecting and keep laughing! Adding some air is essential to understand each other and to see the broader perspective. In the end we are all human.

People

CircleRadius works with an international team of top-quality leadership development professionals. This includes facilitators, consultants, experts, coaches and project managers. Our strong European footprint is complemented by partners worldwide.

Netherlands

Stan Steverink

Stan Steverink

Facilitator & Consultant – Pushing boundaries together
Stan Steverink

Stan Steverink

Stan Steverink pushes boundaries in leadership development. Together with his clients he designs, delivers and facilitates international development and transformation programmes for executives, talent and key teams. Essential to his approach is connecting the bigger picture of the business and organisation with personal leadership.

Professionally, Stan began in new media during the Internet boom. In 2002, he started at the leadership development agency IMEC as consultant, later becoming Managing Director and co-owner. In March 2012, IMEC was sold to the global HR firm Hay Group, today KornFerry. For four years, Stan acted as Director Leadership Development at Hay Group. Eventually, his entrepreneurial spirit prevailed, and in 2016 he restarted the independent leadership development agency with a new name: CircleRadius.

Stan studied Economics and Social Psychology at the University College in Utrecht, and Philosophy at the University of Amsterdam. He complemented his education with studies at the Haas School of Business, Colombia School of Business, Harvard Business School and Amsterdam Institute of Finance.

Thimon de Jong

Thimon de Jong

Core Faculty – Driving strategic foresight and future change
Thimon de Jong

Thimon de Jong

Thimon de Jong is an expert in the strategic business impact of societal change and the dynamics of human behaviour. He is a next-generation keynote speaker and workshop facilitator who captivates audiences all over the world with his passionate, energetic and witty presentations and sessions.

He has presented his perspective on future change for more than ten years at companies like Ikea, Aon, Deloitte, Tetra Pak, Samsung, Unilever, Rabobank, Philips, GDF Suez, Citywire, RTL and Coca-Cola.

He is also a co-producer and lecturer of an executive training programme at the University of Utrecht that focuses on sociocultural trends and how these can be practically applied to business strategy.

Thimon is a former insights and strategy director at TrendsActive, researcher at FreedomLab Future Studies and editor-in-chief of RELOAD Magazine. Today he is founder and director of Whetston, a strategic foresight think tank.

Rob-Jan de Jong

Rob-Jan de Jong

Facilitator & Core Faculty – Raising visionary capacity
Rob-Jan de Jong

Rob-Jan de Jong

Rob-Jan de Jong is an international speaker, writer and consultant on strategy and leadership themes. He serves as an expert lecturer at various leading business schools, including the Wharton Business School (USA), Thunderbird School of Global Management (USA), Nyenrode Business University (The Netherlands), and Sabanci Business University (Turkey).

As a behavioral strategist, he speaks, teaches and consults on executive subjects such as visionary leadership, influence, strategic decision-making and innovation. He is primarily interested in the interaction between strategic subjects and the human, psychological factors at play in the strategy process. Pivotal leadership themes such as vision, persuasion, decision-making and engagement do not merely follow from rational arguments, but are strongly influenced by social, psychological and moral factors. A solid understanding of these aspects and the way they interact is therefore key to successful leadership.

In his speaking, writing and teaching work, Rob-Jan draws on these various disciplines to arrive at new and insightful perspectives on successful leadership.

Henca Alberti

Henca Alberti

Project Manager – Enabling exceptional experiences
Henca Alberti

Henca Alberti

For more than 13 years, Henca Alberti has worked as an organiser and producer of leadership programmes and journeys all over the world. This enables her to combine her love for traveling with her passion for working with inspiring teams. Today she organises leadership programmes, events, business trips, strategy sessions, and much more; preferably set up from a creative perspective and in inspiring locations.

Henca studied Public Administration in Leiden, after which she has worked and travelled around the world. She lives with her husband and three daughters in Scheveningen, and loves travelling, yoga, outdoor adventures and food.

Gijs ten Kate

Gijs ten Kate

Facilitator & Coach – Serving leaders as a personal coach
Gijs ten Kate

Gijs ten Kate

Gijs ten Kate serves individuals as a personal coach, be it managers, leaders or performance artists. First as theatre director of several performers. From 1993 until 2006, as Strategy Director and Partner with FHV/BBDO. Today as a board room consultant, strategist and organisation coach for famous brands and large and medium-sized businesses, including Grolsch, Rabobank, Aon, Douwe Egberts, TNT Post, Friesland Dairy Foods, ING Bank, De Brauw Blackstone Westbroek, Insinger de Beaufort and the South-African National Women’s Hockey Team at the London Olympic Games in 2012.

Gijs has also held roles including Chairman of the Buddhist Broadcast Foundation, member of the board of the Van Ede Foundation, member of the board of Natuurmonumenten and lecturer at different universities and courses. He studied International Law at Leyden University and attended the Leyden Columbia Summer Course in American Law. He also attended the leadership course in Personal Transformation at Cranfield University. He is a certified Insights Discovery Practitioner and has studied the two modules of Human Givens Psychotherapy.

His book The Triangle Principles of Balanced Leadership was nominated Management Book of the Year in Holland in 2006, and The Hard Truth of Soft Values (De Harde Waarheid over Zachte Waarden) on CSR in a business context, was nominated Management Book of the Year in Belgium in 2004. In 1999, his poems were published in Things Go Silently (Stil Gaan De Dingen).

 

Sietsche Dijkstra

Sietsche Dijkstra

Facilitator & Coach – Charging you to take charge
Sietsche Dijkstra

Sietsche Dijkstra

Sietsche is an experienced coach, trainer, consultant and psychotherapist. She combines consulting expertise in organisational, leadership and personal development with business and psychotherapeutic experience. She encourages you to shape your leadership story; helping you to feel charged so you can take charge.

Building on more than 20 years experience in various roles – management consultant, programme manager, facilitator, trainer, entrepreneur, coach and psychotherapist -, Sietsche has worked extensively in organisational development at senior level across several disciplines: change management, organisational design, coaching, talent strategy, team development, leadership development programme design and delivery, and meeting design and facilitation.

Her style is reflective, empathetic, light when possible and confronting when needed. Clients describe her as ‘sharp, present and supportive’. She has a natural curiosity in the backgrounds of people, their motives, behaviours, thoought and feelings; ‘what is the story?’. Listening to the rational and irrational, the head and the heart, ‘hard’ and ‘soft’ in organisations. Her psychotherapy background brings depth to her approach of business issues.

Sietsche has worked across a range of industries, e.g. oil and gas, banking, retail, pharmaceutical, logistics, rail, mail and recently circular economy. Some examples of companies she worked for are KPMG Management Consulting, Gemini Consulting, Shell, AstraZeneca, Boots, British Steel, Atradius, NS, Post NL, Rabobank, the city of Amsterdam.

Sietsche holds a MSc in Organisational Psychology (Rijksuniversiteit Groningen), a MBA (Imperial College Business School, London) and the qualifications as a psychotherapist (registration by Dutch law). She is also qualified to use psychometrics like MBTI, CPI, Insights Personal Discovery and IOPT.

Natalie Whittle

Natalie Whittle

Facilitator & Coach – Developing current and future leaders
Natalie Whittle

Natalie Whittle

Natalie Whittle is an experienced international human resources specialist, leadership trainer and coach. After eighteen years of working in corporate environments – namely ABN AMRO, Ernst & Young, Woolworths (South Africa) and Edgars (South Africa) – she started working independently in 2008. She is experienced in the area of leadership development, team development, coaching, change management, talent management, strategic human resources, diversity and organisational design.

In her last role within ABN AMRO, she was a programme manager, designing and facilitating leadership programmes for the top 2500 employees globally. Her role as an independent has allowed her to work in many different industries globally, where she facilitates leadership programmes; coaches face-to-face, virtual teams and individuals; assists companies in developing their talent management strategy, and supports them in assessing talent using various tools and methodologies. She is certified to work with several psychometrics like MBTI, FIRO B, Potentia and 360 degree feedback tools from various organisations.

Natalie uses her industrial psychology background, extensive experience in human development and understanding of corporate complexities internationally to assist companies in developing their future and current leaders and specialists. Her style of working is very practical and easy for managers and specialists to apply in their daily work.

United Kingdom

David Pearl

David Pearl

Core Faculty – Helping leaders perform at new levels
David Pearl

David Pearl

David Pearl is an innovator who works in business, the arts and social change.

A performing artist by background, he was boy soloist at the Royal Opera House, where he first sang with Placido Domingo at the age of nine. He has toured the world as an orchestral player, written for the great Stanley Kubrick, presented a music series on BBC2, and set up two mould-breaking opera companies.

In 1994, when one of the world’s leading service firms was looking for a radical new way to boost creativity, they asked for David’s help. Two decades on, he’s a creative confidant to the leaders of some of the world’s most prominent businesses, helping the leaders and their teams perform at new levels. He is best known for the artful way he designs, orchestrates and animates high-stakes business events, his inspiring keynotes and accessible business books.

Beyond business, his non-profit venture Street Wisdom transforms ordinary city streets into extraordinary learning zones. Founded in 2012, it’s already active in 18 countries. Meanwhile, David keeps his own performance skills honed in the knife-edge improvised shows of his company Impropera.

David lives in London and Piedmont, Italy, with his wife Joanna – who he met during an impromptu serenade under her window – and his two children Elsa and Zach. He’s a private pilot who’d love to fly more, and a passionate road cyclist who’s always thinking about that next hill.

Björn Atterstam

Björn Atterstam

Facilitator & Consultant – Pioneering people innovation
Björn Atterstam

Björn Atterstam

Björn Atterstam is a positive psychologist, speaker and avant-garde consultant. He is a pioneer in people innovation, personal development and new organisational practices for a VUCA (Volatile, Uncertain, Ambiguous, Complex) world.

He is the founder and Managing Partner of Boomtags, a global think tank, advisory firm and innovation incubator dedicated to conducting experiments that further the potential of the world.

Before this, Björn was Group Head of Talent & Leadership Development – globally responsible for developing talent, leadership and culture at Prudential plc, an international financial services group. In his role, he designed and led organisation-wide initiatives involving both high potentials and senior executives.

Earlier, he built a pan-European practice area for one of the leading international management consultancies. He serviced several industry-leading global corporations, focusing on their needs to evolve strategy, organisation and people.

Björn has advised organisations like ABB, Burberry, BT, Coca-Cola, Cooperative Financial Services Group, Credit Suisse, Ericsson, Deutsche Bank, Gartner, Goldman Sachs, National Australia Bank, Novartis, Pfizer, SEB, Skandia, Skanska, Swedish Royal Family, Sulzer, University of Cambridge, University of Nottingham and Volvo.

He is a frequent and appreciated speaker and facilitator at conferences across the world. His work has included developing and delivering cutting-edge development and change interventions based on contemporary research in psychology, as well as ancient wisdom.

In 2012, he was as a performance artist at Tate Modern, Britain’s national gallery of modern art.

A native of Sweden, Björn is based in London and New York. He holds a Master of Applied Positive Psychology from Wharton/University of Pennsylvania, and an MBA from Columbia Business School. Björn prides himself on being a global citizen, and has travelled extensively and lived and worked in several countries.

Stephan Thoma

Stephan Thoma

Consultant – Applying Silicon Valley best and next practices
Stephan Thoma

Stephan Thoma

Stephan Thoma is a former global leader for Google’s enterprise-wide Learning & Development team. His work spanned leadership and management development, broader employee and peer-to-peer learning strategies and deliverables. A key focus was to ensure the learning agenda supported Google scale for the future while retaining and building its innovative and distinct culture.

Stephan currently works as an independent consultant. He focuses on supporting smaller tech companies scale rapidly and thrive for the long term, and larger more traditional companies that seek to refresh and renew their people culture and talent strategies, often in the face of digital disruptors in their sector. Prior to Google, Stephan has a wealth of experience in senior Talent roles, primarily in major US corporations, such as Cisco Systems, 3Com and GE, where he worked with GE’s ‘Crotonville’ Leadership Institute as well as holding line roles.

By combining current 21st-century Silicon Valley best practices with the prior generation’s best-practice thinking, Stephan is in high demand as an advisor, coach and speaker. An engineer by origins, he still sees himself as a rusty engineer, as he is really motivated to build systems, albeit people ones now, and help to optimise them to run for the long term.

Belgium

Ramon Vullings

Ramon Vullings

Facilitator & Core Faculty – Increasing innovative capacity
Ramon Vullings

Ramon Vullings

Ramon Vullings believes that there are positive alternatives to the way we interact as people and shape organisations. He focuses on changing life for the better based on more elegant solutions found in other domains.

His latest research is now manifested in the management book Not Invented Here: Cross-Industry Innovation, looking at what organisations can learn from other sectors. Ramon has previously written the management book Creativity in Business, on applied creativity.

People who have seen Ramon in action know what a performer he is. Seeing and hearing Ramon speak about a wide variety of creativity and innovation topics is always thought-provoking.

With more than 15 years of experience in the field of creativity and innovation consulting, in nearly all industries and on all five continents, Ramon is able to relate to the specifics in any given sector, infusing people with tangible ideas, spot-on inspiration and actionable advice. His presentations are highly interactive (including for large groups) and are always tailored to his audience. The combination of speaker and Master of Interaction is where Ramon excels.

As action-advisor, Ramon gets very enthusiastic about cross-industry innovation, new business models, working on leadership, and increasing the innovative capacity of people and organisations. He is co-founder of the innovation network organisations new shoes today and 21 Lobsterstreet. He is also chairman of the (non-profit) European Association for Creativity and Innovation for sharing, developing thought leadership and linking the international creative community. Finally, Ramon is connected to the Fontys University of Applied Sciences, where he acts as Executive Professor for cross-industry innovation.

Ramon loves to travel. He is Dutch living in Antwerp, Belgium, and works globally to service clients.

Germany

Annette Thum

Annette Thum

Facilitator & Coach – Developing leaders across sectors
Annette Thum

Annette Thum

Annette Thum’s expertise is in leadership development, team building and executive coaching. She works with executives of Fortune 500 organisations across different industries and regions.

Working as a principal consultant, first for the international management consulting firm Oliver Wyman and now independently, Annette has designed and implemented innovative leadership development projects, created team events, lead change processes and coached more than 500 executives worldwide. A selected client list includes Allianz, Deutsche Bank, Discovery Networks, General Electric, Johnson & Johnson, Hiscox, Lanxess, McDonald’s, Mercer, Novartis, Pro7Sat1, and United Nations World Food Program.

Prior to her consulting role, Annette gained valuable management experience in the media business as well as in her ten years at Daimler, where, among her other assignments, she headed a three-year culture change project with Freightliner LLC in the US. She completely reorganised the learning landscape and worked closely with the Board to create a new vision and value model for the company, supporting the business strategy. She also drove various strategic PMI projects, led the International Transfer Center for Africa & Europe, and successfully consulted with different Daimler business units as an Executive Management Development Director.

Annette enjoys working within the corporate environment and strongly believes in cross-sector collaboration. To that end, she also serves NGOs and governmental organisations trying to bring different parties together. She supported various health centres in Rwanda with trainings on management and leadership, and recently returned from Ethiopia, where she facilitated an emergency-planning meeting with 100 participants for the UN World Food Program.

In addition to her master’s degree in International Politics, Economics, and American Studies, Annette holds a Harvard University certification in conflict settlement, as well as various psychological certifications (e.g. Gestalt, NLP, Coaching and Systems Thinking), and is familiar with different assessment instruments (e.g. MBTI Step II, FIRO-B, CDP, Hogan Suite and various 360 Feedback Profilers). Annette also serves as faculty and coach for Duke Executive Education. Her style is direct and supportive, and her pragmatic approach serves her in identifying new and effective client solutions.

A native German speaker, Annette is fluent in English and has familiarity with both French and Spanish. She has worked in more than 30 countries, and lives with her partner and children in Berlin, Germany.

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