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Our Coaches

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Amy Castoro

Senior Lead Family Consultant

Amy Castoro is the president and Chief Executive Officer of The Williams Group, which prepares families for the smooth transfer of wealth among generations. For ten years, Amy has specialized in preparing high-net-worth families to successfully transition their wealth while keeping their families united and in control...

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Peter Yaholkovsky, MD

Senior Lead Family Consultant

Peter has an extensive background in linguistic foundations of action and relationships, having studied and worked with Dr. Fernando Flores at Logonet and Business Design Associates. He is certified by the Strozzi Institute as a Master Somatic Coach, with a special interest in developing the emotional skills for building...


Joel Kimmel

Senior Lead Family Consultant

Joel’s career covers a broad spectrum of coaching experience, from private clients to corporate executives, from family integration and visioning to outreach programs for inner-city youth. He has been a Senior Lead Family Coach for The Williams group for 20 years.  His approach with families focuses on teaching them co-design...

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Debbie Daniels

Senior Family Consultant

Debbie has an inviting way of being with people and families that creates a comfortable and safe place where deep work happens easily. Her effectiveness as a personal consultant and group facilitator comes from combining this authentic compassion with a strong and no-nonsense style that gets family members focused...


Scott Coady

Senior Lead Family Consultant

Scott’s work focuses on transformational leadership, high-performance team development and creating cultures that awaken and harness the brilliance of everyone in an organization enabling clients to achieve extraordinary results. Over four recent engagements, Scott has helped his clients produce an average...

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Maggie Weiss

Senior Family Consultant

Maggie Weiss has spent her entire career developing effective team-building programs, directly managing training/consulting organizations, and consulting with organizations, communities, and families to maximize effective performance through the development of people. Her commitment is to people working...

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Michael Kalikow

Senior Lead Family Consultant

Michael Kalikow is a coach and mediator.  His specialty is working with individuals and teams to address the root causes behind conflict, establish trust, and build alignment around shared vision and values.  Michael has been a mediator for 20 years, and spent over a decade working with affiliates of Harvard’s Program on...

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Jennifer Reitz

Senior Family Consultant

Jennifer’s belief is “Your attention is the greatest gift you can offer.”  Clients value her ability to build trust quickly, get to the heart of the matter, and her invitational, appreciative approach.  As a Master Somatic coach, she uses a proven embodied and linguistic approach to help individuals and teams navigate change.  She has a passion...

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Blaine Bartlett

Senior Family Consultant

With decades of experience as an executive coach, management consultant, and organizational and leadership expert, Blaine Bartlett is an internationally respected thought leader in the field.

Blaine's approach is centered on developing and leveraging trust and communication strategies designed to help him achieve results

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Ben Schick

Senior Family Consultant

Ben has been an executive coach, leadership team facilitator, and business strategist for over 15 years.  His coaching approach brings together both ontological and somatic methods that are pragmatic and reliable for bringing forth new possibilities and generating meaningful change for individuals, families, teams, and...

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Fred Krawchuck

Senior Lead Family Consultant

Fred Krawchuk brings a diverse thirty-year background in government, business, and education to his current coaching vocation with families. A former U.S. Army Special Forces Officer and intercollegiate athlete, Fred has led high-performing teams in over thirty countries. Following his military career, Fred consulted...

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Phil Halstein

Senior Lead Family Consultant

Phil has worked as a consultant, coach, and facilitator for over 35 years with leading businesses, executive teams, and families of wealth. Since 1995 he has been affiliated with the Williams Group as a lead consultant and worked with a dozen wealthy families, organizing and conducting over...


James Flaherty

Senior Lead Family Consultant

James Flaherty has more than 30 years of experience consulting with top executives at Fortune 500 companies, nonprofit organizations and government agencies. He is the author of Coaching: Evoking Excellence in Others, which is widely recognized as a seminal text in the field of...

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Dr. Eunice Aquilina

Senior Family Consultant

Eunice Aquilina works with leaders, individually and collectively to unlock their capacity to effectively navigate emergent change and achieve the outcomes they seek. Her work is underpinned by her belief that transformative change begins with those who seek to lead it and who are...


Juan Mobili

Senior Lead Family Consultant

Juan Pablo Mobili is a Leadership Development consultant, executive coach, and facilitator, who believes that authentic trust and a deep sense of purpose are the basis of sustaining significant business growth: genuine collaboration, dynamic strategies, and integrity of execution. For the last thirty years, he has designed...

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Sue Staker

Senior Family Consultant

Sue is dedicated to creating independence and sustainability in her clients by developing their competence to intentionally strengthen relationships, build authentic trust, and coordinate effectively together. Sue's consulting practice spans working with individuals to move their personal and...

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Marion MacGillivray

Senior Family Consultant

Marion has 30 years’ experience in nonprofit organizations, corporations, and educational institutions in roles including coaching, leadership, training, professional development, business and strategic planning, program and organizational development, fundraising and consulting. Marion’s academic preparation...

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Linda Curtis

Lead Family Consultant

Linda combines 20 years of corporate experience with a decade of coaching and consulting entrepreneurs, business owners, corporate and community leaders. The result is a common sense, an empathetic style that opens the way for clients to increase self-awareness, become powerful communicators...


Nicholas Yaholkovsky

NextGen Consultant

Nicholas is passionate about helping people live successful and fulfilled lives by teaching them to navigate the world of human relationships through the lenses of language and intentionality. He is especially focused on the empowerment of young people to live with agency, intentionality, and...

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