Meet Our Team
John Botha
CEO
BCom (Hons) · PG Dip Labour Law (RAU) · Executive programmes, Columbia Business School & MIT
John helps organisations navigate change in ways that build trust and lift performance. He became Group Executive Director of South Africa’s largest JSE-listed workforce solutions company at 31. He has represented business at the International Labour Organisation and NEDLAC, and served as a ministerial appointee on the Employment Equity and Essential Services Commissions. A sought-after speaker and advisor, he partners with leaders to create workplaces where people thrive and businesses succeed.
Darren Graham
Director
Industrial-Organisational Psychologist
Darren is passionate about helping business leaders unlock peak performance. He has more than 20 years of experience in corporate and consulting roles, and specialises in strategy execution, leadership development and organisational transformation. His home ground is financial services, and he has also worked in mining, manufacturing and tourism. His “less is more” philosophy keeps teams focused and engaged. Outside work, you’ll find him with his family, enjoying sport, travelling or giving back.
Cindy Squair
General Manager
MPhil Leadership Coaching (Cum Laude) · Hons Industrial & Organisational Psychology · EMCC Senior Practitioner
Cindy brings fun, energy and genuine care to everything she does. She has over a decade of experience in leadership development and organisational transformation across many industries. She specialises in emotional and relational intelligence, leadership, change and team effectiveness. Whether she is coaching one executive or running a large-scale programme, she creates psychologically safe spaces where people connect, gain insight and grow. Her work blends academic rigour with practical, real-world application.
Michal Zinman
Senior Consultant
Hons BCom Industrial Psychology · Coach
Michal is the heart of our human-centred approach. In 12 years with Circle & Square, she has led large-scale programme roll-outs and, as Key Account Manager, nurtured many of our longest-standing client partnerships. She specialises in emotional and relational intelligence, leadership development, change and team effectiveness, with a deep understanding of the people dynamics that shape organisations. A wife, mom, daughter, sister and friend, she connects authentically with everyone she works with.
Lwandile Mkosana
Facilitator & Consultant
Hons Politics & Psychology (Rhodes University)
Lwandile brings energy and a modern style to every room he facilitates. Since 2017 he has specialised in workplace transformation (B-BBEE, Employment Equity and Skills Development), DEI and emotional intelligence. His clients include Liberty, Tiger Brands, Glencore, Makro and Airbus Southern Africa. He also consults on HR programmes, finding practical solutions to people challenges. He facilitates fluently in English, isiXhosa and isiZulu, which lets him connect authentically with audiences across South Africa.