TDCI's Strategic Partners

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TDCI Staff & Consultants


Marius Pretorius, Founder and Principal: TDCI 


Marius is MD and founder of TDCI Training and Development. Marius has more than 25 years’ experience in the fields of Individual, Team and Organisational Development. He is a registered Industrial Psychologist and obtained a Hons Degree in Psychology (UP) as well as a Hons & Masters’ Degree in Industrial Psychology (UNISA). He is currently completing a PHD in Consulting Psychology at UNISA (Title: THE WORKPLACE DIVERSITY (R)EVOLUTION: ADAPTIVE INTELLIGENCE FOR AN EMERGENT AGE). Marius has extensive experience in the fields of individual and organisational excellence, strategic diversity management, change and transformation, organizational development, and leadership. He has designed, developed and presented numerous training programmes and regularly deliver presentations at national and international conferences. He has been a driving force behind the creation of various national & international events such as The Power of Difference, several Diversity Indabas (since 1999+), the Annual Employment Equity, Diversity and Transformation Summit (since 2009), the Robben Island Diversity Experience (since 2000), the Annual Disability Equity Conference (since 2012), Talent Management Blueprint Conference as well as the Organisation and Social Systems Change Dialogue Sessions.

Marius has consulted to and facilitated a broad range of programmes in both the public and private sector for clients such as South African Airways, Howden, Vodacom, Khumani (Assmang), National Prosecuting Authority (NPA), Stefanutti, Buffalo City Municipality, SASSA, Department of Trade and Industry, South African National Parks (SANPARKS), Ga- Segonyana Local Municipality, Vryburg Minicipality, Element 6, KZN Legislature, Kansanshi Mine (Zambia), South African National Roads Agency (SANRAL), Element 6, Mintek, Petra Diamonds, Finsch Mine, Rossing Mine (Namibia), NRCS, KZN Legislator, KZN provincial Treasury, FNB Branch Banking, University of Namibia (UNAM), PricewaterhouseCoopers, Openwave, Vaal University of Technology, Thuoslots, University of Stellenbosch, First Rand, South African Mint, Midvaal Water Company, Media 24, Finsch Mine, Capacity Outsourcing, Department of Water Affairs and Forestry, Department of Public Service Administration (DPSA), Platinum Africa, Central University of Technology, Corptrain, & Kumba Resources.

Collins Mathebula, Director: Business Development

Collins is co-owner of TDCI and serve as Director: Business Development. His passion for empowering people through education has steered his career in the Training and Development field for the past 15 years . After successfully completing his BA degree at Unisa, he was employed as a Sales Executive for Excellante International, a company which provide Training and Development services to both the Private and the Private sectors. The success Collins had as a sales consultant ensured he was promoted first to a team leader and ultimately to the Sales Director responsible for the training and monitoring of new sales recruits. His mandate was to maximize the potential of the call centre agents in order to help the company to achieve its objectives. To enhance his Business Development Skills, Collins enrolled and successfully completed a Business Marketing Programme at Unisa. In 2007, Collins left Excellante International to start his own company, Masimu Marketing Solutions, that focusses primarily on the marketing of training and development programmes. In 2015 Collins co-founded Thiko Businesses Intelligence with Sam Mashudu Nengwani which continues to Market Training and Development programmes to date. In 2018 Collins with his marketing machinery joined forces with TDCI to create a bigger national and international footprint within the training and consultancy industry. Collins is responsible for

TDCI’s business development and marketing.

Prof Nico Schutte, Portfolio Coordinator 

Professor Nico Schutte is a Full Professor and Deputy Dean of Research at Southern Business School. He started his full-time employment at this institution in 1 February 2019. Prof Schutte as two PhDs to his name. His first PhD is in the field of Public Administration where he developed a strategic leadership model for government leaders. He won the best conference paper award for a presentation based on this study. His second PhD is in Industrial Psychology where he developed of a HRM competency model for the advancement of the professionalization of the HRM field in South Africa. This model was the first empirically validated competency model for HR practitioners in South Africa. For this study, he won a national award from the South African Board of People practices for the best PhD and publication in the field of Human Resource Management.

His research outputs include the following: 40 Peer reviewed scientific journal article publications; 30 Peer reviewed conference proceeding articles; 55 Peer reviewed conference proceeding presentations. In 2016 he was recognised by the Faculty of Commerce and Administration, North-West University as their Senior Researcher of the Year.

Mmasephoma Moagi, TDCI Programme Coordinator

Mmasephoma Moagi, joined TDCI in 2018 as TDCI's Programme and Events Coordinator. Her academic background is in Industrial Psychology and Labour Relations Management (North West University). Mmasephoma has extensive experience in training and development with interests in Human Relations, Diversity and Organisational Excellence. Mmasephoma's previous work experience includes a stint in the retail sector where she functioned in supervisory and sales positions. She also completed a Human Resources Internship at Continuity South Africa- CSA (Midrand. November 2014 – March 2015) where she gained practical experienced in various Human Resources functions. Currently she fulfils the role of TDCI project and programme manager. Mmasephoma is primarily responsible for the coordination of TDCI events (such as the Employment Equity Summit and the Robben Island Diversity Experience), and consultancy projects. She has co-facilitated various diversity / team sessions and has also been core to TDCI’s organisational audit and development.

Cicillia Visser: TDCI Regional Manager (Western Cape)

Cicil holds a Master’s degree in Psychology, specialising in Emotional Intelligence (EQ) training and the best practice criteria for adult learning and development, for which she received a distinction. As part of her studies she developed an EQ training programme specifically designed to enhance soft skills development, creativity and team management processes. Cicil also has an Honours degree in Psychology, Post Graduate Certificate in Education and a BA Social Sciences degree in Psychology and SACE registered.

Cicil has thirteen years’ experience in the teaching and training industry and is the regional manager for TDCI Western Cape branch. She conducts training in Diversity Management at various South African mines and large corporate institutions. The Diversity Management programme entails experiential exploration and conversations about diversity, the role of social construction theory in shaping perceptions, diversity management practices and its impact on both our personal and professional contexts.

In addition to Diversity Management, Cicil presents workshops on Generational Diversity which are based on the premise of Generational Theory. The workshops are aimed at enabling cross- generational synergy by first addressing generational differences, values, characteristics, drivers and incentives before exploring generational similarities and creating collaboration across generations. She also conducts experiential and behavioural assessments with large groups and teams to identify and profile candidates with leadership qualities and training potential to embark on acceleration programmes specifically designed to empower, mentor and train employees to become future leaders. Conversely, she has also done assessment to identify candidates’ with developmental areas and skills shortages that needed to be address through skills development training. Cicil heads the HR Master Class Series. The HR Master Class presents a platform for industry experts, pioneers, authors and academic to present the latest trends, tools and technology in the Human Resource industry.


RUSTIM ARIEFDIEN PROFILE: Disability Equity Portfolio Manager

Rustim was born with a disability. At birth, he was diagnosed with Cerebral Palsy and uses a wheelchair, as an assistive device. Rustim is an entrepreneur and has a achieved a Post Graduate Diploma in Disability Studies at UCT. His primary focus is the economic empowerment of persons with disabilities through benefits of BBBEE and in particular using skill development to enable employment of persons with disability leveraged through socio- economic. His working career started as a labour research assistant with SALDRU at UCT where he stayed for three years. He then entered the disability NGO sector with Cape Mental Health Society for three years, followed by a year with the Western Cape Cerebral Palsy Association. The latter two appointments were in managerial capacities within the protective workshop industry.

In 1997 Rustim was responsible for launching Altitude Workforce Solutions, a temporary employment services company, where he stayed 9 years and still has a working relationship with. For the past 10 years in the field of Disability Rustim had been part of numerous initiatives, which included the Job Access Programme of the Department of Public Services and Administration, Extrinsic, Herabai HR Solutions, Disability Workshop Development Enterprise, Status Staffing, Teleresources, Training Force, Siyaya Skills Institute, SESTO, Epilepsy SA Western Cape Branch and Boston City Campus and Business College. In 2003, Rustim had the opportunity to travel to the United States of America on invitation from their State Department on an International Visitor Leadership Program where he visited numerous disability establishments.

Rustim trades as Rustim Ariefdien Consultants whose mission is to “let the Ability of disAbility enAble your profitAbility.” RAC assist employers with the development and expansion of their disability strategy.

In a distinguished career Rustim had volunteered his services to the Association for People with Disabilities, Camphill Farming Community in Hermanus, Institute for the Promotion of Disabled Manpower where he currently holds the position of Chairperson, Western Cape Network on Disability and the Services Seta, among many others. Rustim currently sits on the Council of the Cape Chamber of Commerce and Industry.

Rustim Ariefdien justifiably calls himself a “Disability Expert Extraordinaire” where his unique offering includes: PERSONAL EXPERIENCE in disability, PASSION for Disability Empowerment,  KNOWLEDGE of aspects affecting Disability, CONNECTED NETWORK in the world of Disability, REPRESENTING specialist Disability Services.


Althea Banda-Hansmann

Althea Banda-Hansmann has 20 years’ experience the areas of leadership development, coaching, diversity, racial and social justice. She is the Founding Director of Transforming Moments Consulting CC. Born in the intensity of the Apartheid years, she has a deep lived experience of racism and a vocational passion for racial healing. She is in an inter-racial and cross-cultural marriage for 21 years and continues to hold space for racial healing, understanding and wisdom in South Africa.

Prof Nicolene Barkhuizen, Portfolio Coordinator 

Lungie Molamu: Diversity  facilitator

Lungie Molamu is a senior consultant with experience spanning over more than three decades within the fields of Social Research, Organizational Development and Human Resource Development. She originally hails from Queenstown in the Eastern Cape, but now trains and consults nationally on issues of diversity and transformation. She completed her MSc in Race Relations and Community Studies at Bradford University, Yorkshire. She worked as a lecturer at the Agricultural College in Botswana and was later deployed to the Ministry of Local Government Lands and Housing as a senior researcher to facilitate informed public policy formulation and guide development planning in general. She then joined Women and Law in Southern Africa Research and Educational Trust Botswana as a director. This was a regional research project advocating for women’s rights as a developmental issue. Lungie’s focus has been on Organizational Development and Human Resource Development providing consulting services, integrated training and facilitation aimed at meeting the challenges of change and transformation. She has been working in the field of employment equity and diversity since 1994 and has been part of several long-term diversity inclusion training interventions. Lungie has trained and consulted to various organisations in both the public and private sector.

Caren Pretorius: Portfolio Coorditor and Facilitator

Thembi Kgengwenyane Diversity Facilitator

Thembi has more than 13 years’ experience in the fields of Individual and Team related interventions. Her academic background is in Psychology as well as Industrial Psychology. Thembi holds a Hons Degree in Industrial and organisational Psychology from UNISA. Thembi has extensive experience in the fields of organisational excellence, diversity, change, transformation, and strategic facilitation. She has designed, developed and presented numerous training programmes and has been coordinating various national & international events such as the Talent Management Blueprint Conference, the Organisation and Social Systems Change Dialogue Sessions, the Annual Employment Equity, Diversity and Transformation Summit, the Robben Island Diversity Experience, and the Annual Disability Equity Conference. Thembi has, for the past seven years been one of TDCI’s lead facilitators in diversity and transformation related interventions. She has been involved in various strategic projects utilising collaborative methodologies such as open space technology, appreciative inquiry and Café conversations. As Coordinator of TDCI’s Employment Equity, Diversity and Transformation Portfolio, Thembi has also conducted various Diversity Audits, Focus Groups and Valuation studies.

Shelley Anne Arendse

Shelley is an independent freelance organisation and community development consultant; and Associate for: African Spiral of Changes. She part of the Community Development Resource Association (CDRA); and the Positive Behaviour and Development Association. She is a experienced diversity facilitator and has been involved in several change and transformation projects. Shelley has been a core facilitator in TDCI’s diversity initiatives in the Western cape. She has a thorough and informed understanding of community development practice, social processes and human development and the context in which individuals, organisations and communities develop over time. Shelley is skilled in the use of developmental approaches, action learning and experiential methodology, working with diversity, conflict mediation and creative facilitation. She is experienced in leading organisations through processes of change. 

Areas of competence:

  • Diversity, Racism, Transformation and Social Justice work – working with groups to appreciate their differences, work through areas of challenge and reconnect to their authentic selves to find coherence.

  • Organisational Development – strategic processes that help organisations learn, grow and transform and find solutions from within. Reconnecting organisations to their purpose, practice and people through process – so that they remain relevant in the world  

  • Social Process Facilitation –group processes for learning and social change using  participatory, collaborative methods to achieve the outcome

  • Coaching and Mentoring – accompanying leaders and practitioners on their personal and professional journeys to find their purpose and meaningful contribution. 

  • Monitoring and Evaluation – developmental monitoring and evaluation processes for learning and transformation. 

  • Conflict Mediation – Facilitating conflict and finding ways to understand and get through challenging situations.

  • Djembe Drumming workshops – facilitate creative teambuilding sessions teaching how to use and play the djembe drum 

  • Community Development workshop interventions – facilitating workshops with groups, community based organisations and non-government organisations for organisational and strategic development and accompaniment to build organisational effectiveness

Tani Amarasinghe Moodley

Tani is a HR professional with a career spanning 17 years and two continents. Having worked her way up from a Graduate Trainee, she began her career underground in the mining and green fields exploration environments, from there to the glittering halls of a Diamond Trading Company, running and implementing HR frameworks and polices from scratch at Rio Tinto’s African operations. She worked in start-ups, mature organisations and on her own as a seasoned consultant. To restructuring Moscow operations and writing polices ad procedures that balance legal requirements, business functionality and company culture in the forefront of everything that she does Dealing with both blue collar and white collar workers, with executives and people from different cultures in unionized and non-unionized environments, from South Africa, Zimbabwe, Botswana to London, and assignments in Russia, she has learnt how you do something is just, if not more important than what you do and that the when you do it plays huge part in the success of any intervention.

She is a task focused person who knows that people are the true differentiator and that the right person, in the right role at the right time will always be the determining factor. Whether a consultant or a full time HR Executive, the business and the people become her passion and her goal is to make a difference in everything she does. Tani thrives on stress and nothing gives her more satisfaction that seeing a line manager take on his/her role with full confidence and knowing that in some way she was responsible for the learning curve, or to see a young HR administrator flourish under her leadership and come into her own. She is particularly good at not only making the tough decisions but also in having the conversations that lead to mutually beneficial outcomes. 

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