Our Team

Executive Directors

Michael O’Brien

As a consultant and executive coach Michael O’Brien unravels the complexities of organizations into easy to understand interrelationships. Michael’s diverse background in finance, economics and human behavior enable him to take the seemingly unpredictable relationship side of business and make it tangible and manageable. This clear understanding of corporate cultures has allowed Michael to lead some of the world’s top companies to new perspectives of their strengths and of their challenges.

Michael has leveraged this gift of discernment by establishing strategic relationships with consulting organizations around the world, as their culture and leadership expert. Michael holds a Honors Business Administration degree from Wilfrid Laurier University.

LinkedIn_logo_initials   Michael O’ Brien


Linsey Stephan

Linsey Stephan, a qualified teacher, has a Post- Graduate qualification in Human Resource Development and has 12 years experience in the field.  This experience has equipped her to focus on the people-related side of organisational transformation, vital, yet often forgotten as a key ingredient for successful organisational process re-engineering and change initiatives.

Linsey Stephan spends her time in Africa working with organisation’s who have a need to align their strategic imperatives to achieve sustainable high-performance within a Constructive organisational culture.

LinkedIn_logo_initials  Linsey Stephan


Keneilwe Mogasoa

Keneilwe Mogasoa holds the following certificates: Somatology; Corporate Governance; National Skills development strategy and Mentorship and Succession Planning from the International Training Institute in the Bahamas. She is currently studying towards BCOM Law.

Keneilwe has 12 years experience in the industry with special focus on policy development and implementation, new business development, systems re-engineering, training, development, coaching and culture transitioning. She has done extensive work in the Government in SA, as well as Private sectors. She has been serving on the Shoprite Checkers Development trust where she was part of formulating strategies to develop businesses to create business opportunities.  


Judah Mogasoa

Judah Mogasoa’s experience in the industry spans 14 years and he holds a National Diploma in Chemical Engineering. Judah was personally trained by Dr. Miles Munroe and consulted for the International Third World Leaders Association. His passion for people development lead him to become the Chairperson if the Black Management Forum in North West Province.

He has extensive experience in training, facilitation, coaching, culture transitioning, career guidance and business development.


Rina Steynberg

Rina SteynbergRina Steynberg is a business consultant with 21 years experience in the human sciences field, with a specific focus on psychometrics, change management, project management, neuro-coaching, training, culture transitioning and business improvement. Rina holds a doctorate degree (DCOM) in Leadership and Change with specialisation in mergers and acquisitions.

Her ability to design process interventions to address client needs and integrate resources accordingly has made her project lead of many projects in countries such as South Africa, Botswana, Mozambique, Swaziland and Zambia. She worked in industries such as Mining, Manufacturing, Construction and Financial. 


Greig Wegerle

Greig obtained his Bachelors degree in psychology from The University of Johannesburg (RAU), and has further studied various disciplines of cognitive and neuroscience. He has worked with organisations in diverse sectors, including Banking, Finance and Insurance, Mining,  the Motor industry, Construction, Sport, Government and NGO’s.

Greig coaches leaders and teams to activate their full potential. A highly devoted family man, entrepreneur, sportsman, musician, and passionate Christian.

LinkedIn_logo_initials  Greig Wegerle




Charmaine Horn

Charmaine Horn holds a Masters degree in Industrial Psychology and is a registered Psychologist with the Health Professions Council of South Africa.  She has more than a decade experience in Culture and Behaviour Transformation, specializing inter alia in Safety Climate assessments and interventions in the Petrochemical and Mining industries. 

Charmaine is passionate about creating optimal performance (safety and otherwise), by supporting individuals, teams and leaders to create a healthy, constructive and high performing culture. 


Miehe Marais

Miehe holds her master’s degree in Industrial Psychology and has been working in human resource, industrial psychology and business consulting roles since 2010.  

She is passionate about change management, culture change, project management, business coaching as well as employee wellness.


Gavin Mardon 

Organisational   development   consultant,  Culture   Change   Specialist,   Facilitator and  Coach.  Gavin has an extensive  background  in  Organisational  Development processes  with  15  years  of  Organisational  Change experience,  having  served  as  a  Project  Director, Facilitator  and  Facilitator  Trainer  for  The  Pacific  Institute SA  (Pty)  Ltd.   

He  implements  the  systems,  processes  and products  of  Star  Performance  Group  utilizing  a  specialist knowledge  of  the  Human  Synergistics  International developmental  diagnostics. 

LinkedIn_logo_initials  Gavin Mardon


Marius Serfontein

Marius holds a Bachelor’s degree in Military Science as well as a BA Hons, and has completed the Advanced Programme in Labour Relations (OPAB). After 20 years with Sasol Mining he is a specialist in Organisational and Individual Development as well as Risk and Safety Management.  In addition he has 4 years experience in the private sector at a safety risk management company, managing the Human Risk division.

His capabilities include strategy and tactical design, business performance improvement and safety leadership. 


 Heidi Haasbroek

Heidi has a passion for assisting and supporting the Star Performance Group, Strategic Partners and Clients toward achieving their project based goals and outcomes.

With her ‘can do’ attitude, attention to detail and strong focus on customer service she ensures that all projects are implemented successfully.

LinkedIn_logo_initials  Heidi Haasbroek