Bringing the Best Together to Serve You Better
Lucent is a collective of seasoned leadership coaches and facilitators, working with individuals and teams to strengthen how they lead and work together.
What sets us apart is that every Lucent coach holds a PCC or MCC credential from the International Coaching Federation (ICF), with many serving as Faculty at the Co-Active Training Institute. We are not only experienced practitioners - we also teach and develop coaches worldwide.Our approach is built on collaboration, co-creation, and a drive for continuous learning, all in service of the leaders and teams we support.
Together, we bring complementary skills and perspectives that allow us to offer more than any one of us could deliver alone. Alongside serving our own clients, we partner with other leadership development organizations to extend the reach and effectiveness of their work.
We are not just colleagues - we are trusted partners, committed to growing together and serving our clients at the highest level.
Meet the Team
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Claudia Presber
Claudia is an experienced executive, leadership, and team coach who specializes in developing leadership behaviors at all levels of an organization. Her focus is on helping leaders increase self-awareness, strengthen their impact, and build more effective relationships. A guiding principle in her work is to empower people and teams to shift from reacting to circumstances toward actively leading and creating positive change, regardless of their role or level of seniority.
With over 25 years of international experience, Claudia brings deep expertise in leadership and team development. She is a Master Certified Coach with the International Coaching Federation, a Certified Practitioner of the Leadership Circle Profile 360, and a Certified Team Coach. She has served as a board member of ICF Luxembourg, and is a faculty member and Front-of-the-Room Leader with the Co-Active Training Institute (CTI). Claudia is also part of the Leadership Circle’s global faculty, supporting large-scale transformation projects across multiple industries. Fluent in German, English, and French, she coaches and leads workshops in all three languages.
Claudia’s career has spanned marketing, recruitment, and HR management roles with organizations such as L’Oréal and in the finance industry, giving her first-hand insight into fast-changing corporate environments. Alongside her professional work, she is a certified meditation teacher and yoga instructor, often integrating mindfulness into her coaching to help clients access clarity, strength, and creativity. Claudia lives in Luxembourg with her husband and two children.
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Donatella Canella
Donatella is an executive coach and team facilitator who supports individuals and teams navigating times of change and uncertainty. She designs powerful experiential leadership programs that integrate leadership development with fulfillment at work. Her work includes high-profile engagements such as the NATO Executive Leadership Program, a year-long program for top executives.
A Certified Professional Co-Active® Coach (CPCC) and Professional Certified Coach (PCC), Donatella serves on the faculty of the Co-Active Training Institute (CTI) and teaches in the MBA program at the École des Ponts in Paris. She is also managing partner of Human Centric Leaders, an international alliance of leadership and team coaching experts. With a PhD in Molecular Biology from Michigan State University, Donatella brings 15 years of experience as a global researcher and mentor in organizations such as Nestlé Institute of Health Science, EPFL, and Oxford University. Since 2020, she has partnered with Roche as a coach, team coach, and facilitator for Co-Active Coaching programs.
In addition to her corporate work, Donatella develops and facilitates leadership and career workshops for universities across Switzerland, France, Italy, and Germany. Fluent in English and Italian, with strong French, she loves bringing together diverse groups and perspectives. Outside of work, Donatella enjoys adventure in all forms — exploring the outdoors, sharing deep conversations with friends, and losing herself in a good book.
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MJ Cabanel
MJ is a seasoned leadership consultant, facilitator, and coach who has designed and delivered leadership and coaching programs for Fortune 100/500 companies and international organizations. Her portfolio includes pioneering work such as the first Diversity and Inclusion Leadership Program for Pictet Wealth Management, a leadership program for the World Health Organization, and a values-based leadership program for the Global Fund to Fight AIDS, Tuberculosis, and Malaria.
Passionate about inclusive leadership, MJ consults with organizations on gender parity initiatives and coaches senior executives to shift from reactive patterns to more creative and inspiring approaches. She is also a coach of coaches, serving as senior faculty and trackholder with the Co-Active Training Institute (CTI), widely regarded as the gold standard in coach training. MJ’s methodology is experiential — she blends stories, simulations, and interactive experiences with leadership models to help clients expand their perspectives and lead with authenticity.
Prior to her coaching career, MJ spent more than 20 years as a business development executive, beginning on Wall Street with Bear Stearns & Co. before moving to Paris after completing her MBA. Today, she continues to work globally, having coached over 1,000 executives from more than 100 nationalities. Outside of work, MJ enjoys swimming, hiking, and exploring authentic cuisine from around the world.
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Nick Kettles
Nick is a Master Certified Coach with over 15 years of experience in leadership development. He supports leaders in navigating uncertainty and complexity by helping them build self-awareness and embrace parts of themselves they may have marginalized. Known for his compassion and creative flair, Nick guides leaders in defining their purpose and finding the courage to take authentic action in service of what matters most.
A certified Co-Active Coach (CPCC) and senior faculty member with the Co-Active Training Institute (CTI), Nick also teaches in the Executive Coaching Program at Brown University. He has delivered thousands of hours of coaching and training worldwide for organizations such as Google, BASF, IDEO, Mozilla, Medtronic, and the US Navy. As a lead trainer for Roche, he supported a multi-year transformation that helped the company become more agile and coach-centered. Nick is also a licensed practitioner of the Leadership Circle Profile and a certified Trauma-Informed Professional.
Alongside his professional work, Nick has pursued meditation in the Advaita Vedanta tradition for over 20 years and has taught mindfulness for the last decade. Originally from the UK and now based in France, he lives with his partner, two adult daughters, and an extended family of animals. His practice of mindfulness and presence continues to inform both his coaching and his life.
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Tina de Meeûs
Tina is a Master Certified Coach and facilitator who has been self-employed since 2004, working primarily with international professionals and teams committed to their growth and leadership. She has worked with people from more than five continents across industries such as aviation, banking, engineering, pharma, legal services, and humanitarian organizations. Clients describe Tina as caring, transparent, and fun — while also focused, direct, and challenging.
Dedicated to the coaching profession, Tina is a senior faculty member of the Co-Active Training Institute (CTI), where she leads coach-training programs, supervises certification, and mentors faculty development. She has coached over 3,500 hours and continues to invest in her own growth through advanced training. Before becoming a coach, Tina worked in financial and corporate communications, advising European organizations through major transactions and mergers.
Born in Germany and now living in Belgium, Tina has also lived in Canada, France, Italy, and the UK. She is fluent in German, English, and French, and has skillfully combined her professional career with raising three children. Outside of work, she enjoys time with family and friends, being outdoors, playing sports, and reading a good book.
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Carlo Bos
Carlo is an experienced executive coach, designer, and facilitator with over 20 years in the leadership development industry. He has worked with organizations across sectors including financial services, retail, construction, government, and telecom, creating and delivering leadership programs for thousands of leaders from the front line to the C-suite. Known for his quick wit and warm heart, Carlo brings deep commitment to building authentic, effective, and joyful leadership cultures.
Carlo has held significant leadership roles himself, including serving as Co-CEO of the Co-Active Training Institute (CTI) from 2018–2023. He has also been on CTI’s global faculty for over a decade, delivering training worldwide, and has partnered with Duke University’s Corporate Education and other top organizations. His coaching and facilitation work stand fiercely for values-based leadership, effectiveness, and fulfillment, and he is widely recognized for helping leaders unlock new paradigms of possibility.
With degrees in Economics and Education, Carlo is a Professional Certified Coach (PCC), a Co-Active Professional Certified Coach (CPCC), and certified in multiple assessment tools. Beyond his professional work, he is passionate about exploring polarities in leadership, the role of story and mythology in organizational culture, and nature-based approaches to leadership development. He lives in Canada, where he is also active in community initiatives supporting youth, sports, and education.
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Vittoria Zipoli
Vittoria is an executive coach, facilitator, and leadership consultant who partners with individuals and teams to unlock creativity, embrace change, and lead with purpose. A Certified Professional Co-Active Coach (CPCC) and Professional Certified Coach (PCC) with the International Coaching Federation, she is also a faculty member with the Co-Active Training Institute (CTI), a leading institution in coaching and leadership development. A true global citizen, Vittoria has lived and worked across Europe, Southeast Asia, China, and the United States, bringing a strong intercultural perspective to her work.
She began her career in project management and consulting, leading cultural change and business development initiatives before transitioning to coaching. Since then, she has supported professionals and teams from startups to Fortune 500 multinationals, including Siemens, Roche, Google, Facebook, AXA, Primetals, DBS, and Axpo. Known for her deep listening, compassion, and ability to challenge limiting beliefs, Vittoria helps clients expand personal resilience, strengthen alignment, and achieve breakthrough performance. She is certified in the Leadership Circle Profile, Collective Leadership Assessment, and a range of systemic, neuroscience-based, and intercultural coaching approaches.
Outside of her professional work, Vittoria has taken part in international expeditions with Women On a Mission, supporting initiatives that empower women and communities affected by trauma and violence. She holds a Master’s degree in Logic and Philosophy from the University of Milan and continues to bring curiosity, courage, and compassion into her work and life.
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Marjoleine Byrne
Marjoleine is an executive coach, facilitator, and leadership consultant who helps leaders and teams thrive by embracing complexity, deepening connection, and transforming the relationships that matter most. She is a global faculty member and associate partner with the Co-Active Training Institute (CTI), one of the world’s most respected coaching schools, and founder of Lucent Leaders, a collective of seasoned coaches and facilitators who partner with executives to expand leadership capacity and strengthen organizational culture.
With more than 15 years of experience, Marjoleine has partnered with organizations including Roche, LinkedIn, McKinsey, Intel, MSD/Merck, ABN AMRO, ING, Beiersdorf, Diasorin, Syngenta, Cargill, 23andMe, and Bose. She has designed and delivered leadership programs that bring the Co-Active model directly into organizations, supporting leaders to build trust, cultivate agility, and lead with greater presence and purpose. Her approach integrates Co-Active coaching with frameworks of conscious leadership and systemic transformation, and she is certified in the Leadership Circle Profile, the Key Polarity Indicator, and the Enneagram iEQ9. She is also an ICF Professional Certified Coach (PCC) and Certified Professional Co-Active Coach (CPCC).
Known for her curiosity, empathy, and fierce commitment to transformation, Marjoleine combines grounded presence with a spirited ability to challenge leaders into engaging with the conversations that matter most. A Dutch national, she has lived and worked in both the U.S. and Europe, bringing broad cross-cultural awareness to her practice. She currently resides in the Netherlands with her husband and three adult children, and coaches in both Dutch and English.
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Paul Byrne
Byrne is an executive coach and leadership consultant to CEOs, boards, and senior teams. He works with leaders across industries, with a particular depth of experience in healthcare, biotech, pharma, and medtech. His clients include Roche, Genentech, GSK, Bayer, Philips, and Smith & Nephew, as well as health tech startups in the US and Europe.
Paul brings a blend of business leadership and coaching expertise. Having led international businesses earlier in his career, he now partners with senior executives and boards to navigate complexity, expand leadership range, and foster cultures of innovation and impact. His work is known for combining systemic perspective with deep, identity-level coaching that helps leaders grow themselves as they grow their organizations.
Originally from the United States, Paul lives in the Netherlands with his wife and three grown children.
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César Fentanes
Description gCésar is an executive coach, facilitator, and leadership consultant who helps leaders grow in ways that allow them to reach their full potential. He is co-owner of Blue Bridge Talent Center, Partner in Mexico for the Co-Active Training Institute (CTI), and part of the global consulting and facilitation network of Duke Corporate Education. A passionate advocate for leadership development, he has worked with multinational corporations, including Fortune 500 companies, across Latin America, North America, Europe, Asia, and the Middle East.
Before becoming a coach, César built a 15-year career in management, operations, and sales and marketing in Mexico, and as an entrepreneur in France. He holds an MBA from ITAM in Mexico with a joint program with EM Lyon, and a BA in International Relations from Universidad de las Américas. A Certified Professional Co-Active Coach (CPCC) and Professional Certified Coach (PCC) with the International Coaching Federation, César is also trained in Organizational and Relationship Systems Coaching, and certified in the Leadership Circle Profile, Hogan, Birkman Method, MBTI, and Team Diagnostic Assessment.
A global faculty member with CTI, César has delivered coach and leadership training worldwide, including in the United States, Mexico, Brazil, Colombia, Argentina, Spain, Belgium, Singapore, Dubai, the Netherlands, Guatemala, Panama, Uruguay, Ecuador, Canada, Venezuela, Peru, and Turkey. Fluent in English, Spanish, French, and Italian, he brings a cross-cultural perspective to all his work. Based in Barcelona, he continues to design and lead programs that inspire leaders and organizations to flourish.oes here
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Lottie Martínez
Lottie is an executive coach, facilitator, and leadership consultant who helps leaders and teams create conscious and sustainable impact. A Professional Certified Coach (PCC) with the International Coaching Federation and Certified Professional Co-Active Coach (CPCC), she is also a faculty member with the Co-Active Training Institute (CTI), where she trains coaches and leaders worldwide. Based in Mexico and working globally, she is bilingual in Spanish and English and brings more than a decade of experience supporting executives and teams to strengthen alignment, performance, and culture.
Lottie began her career as a senior consultant with Arthur D. Little, a global management consulting firm, where she spent eight years advising on strategic planning, business valuation, and regional development projects with major industrial groups in Latin America. She later dedicated over 10 years to creating social impact as a leader, consultant, and board member at several NGOs, before shifting her focus to human and organizational development in 2013. As a partner with Blue Bridge Talent Center, she designs and delivers programs that support leaders in successful transitions, conscious leadership, and high-performing team cultures.
Certified in Organizational and Relationship Systems Coaching (ORSC), the Leadership Circle Profile, and MBTI Step I and II, Lottie blends a rigorous consulting background with a passion for human development. She holds a BS in Biochemical Engineering and an MBA from Monterrey Tec (ITESM). Outside of her professional work, she enjoys bringing curiosity, compassion, and creativity into all aspects of life, and continues to be inspired by multicultural environments and the transformative power of leadership.
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Kristen Maki
Kristen is an executive and team coach who brings the perspective of both a leadership professional and a former Doctor of Optometry. After leading her own private optometry practice for more than 15 years, she transitioned into coaching and leadership development, and since 2012 has been a faculty member with the Co-Active Training Institute (CTI). Known for her gentle presence and compassionate insight, she creates energizing conversations that challenge leaders and organizations to expand their vision of what is possible and to create authentic, inclusive, and sustainable impact.
With an integrative and humanistic approach, Kristen supports leaders in areas such as executive and leadership coaching, conflict navigation, change management, and aligning motivation with values. She is a Certified Professional Co-Active Coach (CPCC), Professional Certified Coach (PCC) with the International Coaching Federation, and trained in Organizational and Relationship Systems Coaching (ORSC) through CRR Global. Her clients include Roche, Medtronic, RBC, P&G, Wayfair, FedEx, and a wide range of physicians, optometrists, veterinarians, and nonprofit leaders.
Kristen has coached and facilitated globally in Canada, the United States, Germany, the Netherlands, India, Russia, Singapore, South Africa, the UAE, and the UK. She continues to bring curiosity, creativity, and depth to her practice, inspiring transformational change in both individuals and systems. Based in North America, she works primarily in English and remains passionate about integrating personal growth with meaningful social change.
Get in touch.
If you’d like to explore how we can work together, we’d be happy to connect. Reach out to start a conversation about what’s possible for your leaders and teams.
