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“Marguerite Callaway brings her unique style of leadership development from the depths of her own leadership journey.  She draws from her strong feminine traits to encourage all she works with to celebrate the fullness of their talents and be courageous in investing in the journey to achieve their purpose in life.

Marguerite Callaway draws on her own extensive USA, African, and broader international experience to weave inspirational narratives and fit for purpose tools to enables leaders across sectors, age groups and geographic locations to engage meaningfully on their personal journeys.  Marguerite has an intuitive sensing capability to draw all her participants into the room – physical or virtual – that allows them to be present and enjoy the learning and sharing processes she devises with skill and professionalism.

Callaway’s leadership development style and approach is one best suited for the troubled world we are in that requires strong relational skills paired with deep content knowledge and capacity to use information technology as an enabler of both learning and execution of tasks, as well as monitoring and evaluation for further learning. I have the privilege of watching Marguerite work with teams under different circumstances.  She has the skill to help teams in times of crises and celebration, to turn each moment into a teaching and learning opportunity.  She is credited with supporting and strengthening teams in the health and education arenas in my own country and abroad.

The Callaway Leadership Institute’s Leadership Development offerings are a treat you should not miss!”

Mamphela Ramphele, MD, PhD

Co-President the Club of Rome

Co-Founder of Reimagine SA

“Marguerite is a leadership expert who has extensive global experience in developing leaders. In working with Marguerite, she has displayed intuition, wisdom, and adaptability to various cultures of the world. Marguerite’s keen knowledge of leadership and ability to teach theory in the most practical way makes her one of the few preeminent scholars of our time. Furthermore, Marguerite is an Executive Coach to many global leaders and executives. Marguerite is recommended to any organization that is serious about being ahead of its peers and leapfrogging competition.”

Lawrence Mlotshwa, MBA

Managing Director, Mantuzela Management Services

Republic of South Africa

“I first met Marguerite in 2009 as one of her students, attending her Leadership Module in South Africa. The fact that we are now colleagues; as are many more of her former students throughout Southern Africa, is a testament to her commitment and passion for the continued development of people. Her worldwide experience enables her to deliver very relevant ‘leadership’; from corporate-level multinationals in the USA to Subject Matter Experts (SMEs) in rural Africa, it works! Engaging with Marguerite secures an effective, collaborative, lasting partnership.”

Clive Whelan

Head of International Operations & ETD at Calibre Clinical Consultants

Republic of South Africa

“Marguerite became my mentor and coach in developing our NGO’s youth leadership programming. I was personally very fortunate to have Ms. Callaway as a lecturer, as she truly inspired her students to think outside the box and create new practical ways to navigate the world of international development. She had faith in our work and helped us grow our programming and leadership skills. Under her mentorship, our youth leadership program grew, becoming more professional, taking on an enhanced global platform in South Africa, Malaysia, and Canada; inspiring youth globally to start their own NGOs.”

Sunyata A Choyce

Senior Consultant at Choyce Humanitarian Consulting

Director of Project COLORS International, Canada

“Marguerite Callaway has a unique talent for identifying and developing leaders at all levels in an organization. Her passion for empowering people makes her interactions authentic, which enables her to make a tangible difference in organizations where she becomes involved. Her deep understanding of leadership, people development, and organizational culture as well as her years of lecturing at Yale and other prestige educational institutions, is evidence of her aptitude for teaching.”

Gauche Radley

Gauche Radley, COO, Mergon

Republic of South Africa

“As part of my work for LEAP Science and Maths Schools, I was also mentored by a woman named Marguerite Callaway, who runs the Callaway Leadership Institute, an international leadership development company that defines effective 21st leadership as one that “acknowledges that people are an organization’s most important asset” and “reintroduces ethics and values into a leadership role.”

Her leadership development process aimed to reorient our professional focus from career achievements to overall life goals. During our first session, she asked us to write our core life values, and then use them to write a “life mission statement” that articulated the overall purpose of our life’s work. She believed this big-picture clarity about our personal intentions would ultimately guide us most in our more concrete professional goal-setting, instead of the other way around.

Through our mentorship, she asked these crucial questions: “What do you value most right now?” and “What kind of person are you trying to grow into becoming?” Through answering those larger questions, I could more easily navigate the smaller, daily obstacles of my professional life: when to tolerate a corporate position in exchange for necessary skills and experience, when to consider a loved one’s concern about your professional path, and when to ignore their influence, how to find avenues for meaningful work or a sense of community when a “day job” wasn’t providing that kind of fulfillment.

Unlike others in the past, Marguerite didn’t view personal and professional desires as necessarily conflicting. Instead, she argued that by acknowledging the full range of my desires, I could figure out the healthiest priority to move me forward right now. Instead of telling me —as many others implied in the past — that I had to choose which kind of professional I wanted to be, Marguerite helped me figure out what version of myself each moment of my professional life required.”

Amanda E. Machado

Writer, Facilitator, Public Speaker


“Marguerite Callaway has worked as a leadership training and development consultant with the LEAP Science and Maths Schools in South Africa for well over a decade of our 19-year history.

Since 2013, she has visited and worked in all of our six schools across South Africa and has also supported, advised and mentored me as the Executive Director in my management and leadership roles within the organization.

Marguerite has conducted Leadership Development courses/programs in person and more recently virtually. She has facilitated and sustained a comprehensive year-long Leadership Development program for our school leaders and their leadership teams, and also for the executive team as a whole. Her numerous contributions have been invaluable.”

John Gilmour

Founder and Executive Director, LEAP Science and Maths Schools

Republic of South Africa

“I have known Marguerite for more than nine years as a highly respected O.D. Consultant and leadership development expert on a global level. Marguerite is one of the rare practitioners who cares not only about the work she does, but also the people who are impacted because of her work. When it comes to understanding and working with the people of Africa, I would not attempt to do anything without Marguerite and her Callaway Leadership Institute.”

Ben Harrison, Ph.D.

President Ben Harrison Associates, LLC


“Leadership is a quality in short supply during this time in history when we need it the most. In the last several decades, the need for effective leadership has been changing. One person who has been in constant contact with the shifting criteria for competent and successful leadership has been Marguerite Callaway. In her courses she comes highly prepared and is extremely attentive to the needs of the attendees and can adjust accordingly as she taps into her enormous backlog of experience. She is an exemplary coach and teacher in these complex and threshold times. Without reservation, I highly recommend her.”

Justine Toms

Co-Founder, Executive Director, and Host of New Dimensions Radio


“A good leader is genuinely happiest when they see their teams thriving and growing in all aspects of their being: body, mind, and spirit. Unfortunately, old patterns of dysfunctional hierarchies and the antithetical leadership qualities that emerge within them often lack this fundamental consideration or even the skills to identify and encourage this holistic approach and vision. This deficiency has wreaked havoc on systems at all levels of modern societies. Marguerite M. Callaway has made it her life’s work to integrate timeless wisdom, common sense, and the spirit of service to train leaders that inspire, fortify and focus their teams in these dynamic and uncertain times. She has the exceptional ability to view the big picture without losing sight of the unique relationships and individuals that create the overall health of an organization. Like many outstanding leaders, Marguerite creates a stabilizing presence and space for processing tough topics and decisions, leading to genuine and effective change and lasting success for all stakeholders, present and future. I would highly recommend Marguerite’s courses and consulting for any leaders or organizations seeking to elevate their missions to the next level and the future.”

Ronny Joe Grooms

Director of Programming & Communications, KSVY Radio

Yoga & Meditation Instructor, USA

Testimonials from recent students taking my “Emotionally Intelligent Leaders” Course at Graduate School USA  (these come from an anonymous completed evaluation.)

“I’ve taken several courses on emotional intelligence, but I really enjoyed all the interaction with my peers that the virtual format (ZOOM) provided. Also, the experience of Marguerite (the instructor) was terrific to help add to the discussions.”

“Marguerite brought her skills and expertise to the table with examples from her work and experience as a professional. She is current on the concerns and situations that organizations encounter every day. Good listener and engaged with each person the class respectfully”

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