Our Team

About | LeaderShip Mastery Inc.
  • There are two mistakes one can make along the road to truth. Not going all the way, and not starting.
    - Siddhartha Gautama

We are a passionate team of individuals dedicated to turning leadership effectiveness into a strategic competitive advantage in today’s complex world.


The diverse backgrounds and talents of our founding partners and the cross-industry experience of our Advisory Council make LMI an ideal partner for purpose-driven organizations.  To deliver the best possible value and experience for our clients, we also draw on a roster of experienced practitioners and collaborators.

Vina Nadjibulla | Leadership Mastery Inc

Vina Nadjibulla

Co-Founder

Drawing on 15 years of experience with the United Nations, government and civil society organizations, Vina works with leaders and organizations to develop change leadership capabilities for systemic and societal transformation. She partners with leaders and their teams to optimize their performance and live more purposeful, impactful and fulfilled lives.

Having lived and worked in several different countries, Vina brings a multidisciplinary and multicultural perspective to her work. She loves working through complex challenges and sensitive personal and organizational transitions and change. She has extensive international experience working from war zones to board rooms with people from all over the world.

Vina holds a Master of International Affairs from Columbia University and has been trained as a co-active coach at the Co-Active Training Institute (CTI), in systems coaching at the Centre for Right Relations (CRR) and is certified in the Leadership Circle Profile, Cultural Survey and Leadership System as well as Systemic Team Coaching with Dr. Peter Hawkins.
Vina’s diverse, multidisciplinary and multicultural background make her uniquely positioned to understanding global trends, managing competing perspectives and tackling complex and sensitive personal and organizational challenges.

She speaks English, Russian, Farsi and Mandarin Chinese. She is a student of neuroscience and behavioral psychology, a certified yoga instructor and a committed practitioner of mindfulness meditation. Born in the Soviet Union and raised in Afghanistan, Vina now lives in Toronto and loves to travel extensively for work and pleasure.


Rob Sinclair | Leadership Mastery Inc

Rob Sinclair

Co-Founder

A student of the leadership and personal development game for over 20 years, Rob has spent the majority of his adult life exploring and pushing the limits of what is “possible”. Drawing on his diverse experience as a successful entrepreneur navigating some of the most competitive and fast changing industries (health and wellness, digital marketing, clean tech, coaching/consultancy), Rob brings a dynamic and innovative approach to developing leaders in organizations as they face today’s greatest challenges.

Rob has found his calling as a transformational high-performance coach, leadership development specialist, and serial entrepreneur. He is certified as a Systemic Team Coach under Professor Peter Hawkins and the Academy of Executive Coaching, as a CPCC from the Coaches Training Institute (CTI) as well as a graduate of their Co-Active Leadership Program, and is a licensed practitioner of the Leadership Circle Profile, Leadership Culture Survey and the Leadership System.

Rob holds black belts in multiple martial arts, is a musician, an avid reader, and a student of "flow".  Rob now spends his days serving and challenging leaders and high-performance teams internationally to take quantum leaps in their development, building lives of purpose, performance and impact.


  • They may forget what you said, but they will never forget how you made them feel.
    - Carl W. Buechner

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