Our People

Sello Moloko

Executive Chairman

Sello is co-founder and Executive Chairman of Thesele Group and has a wealth of business experience gained over more than 25 years in financial services (investment management and employee benefits). Outside of Thesele, Sello holds positions as independent non-executive Chairman of both Sibanye-Stillwater Limited and General Reinsurance Africa. He also currently serves on the boards of Prudential Investment Managers, Telkom and JSE listed Stor-Age REIT Limited.

Sello has previously served on the boards of several listed companies including Alexander Forbes Group Holdings Limited (as non-executive Chairman), Gold Fields Limited, Makalani Holdings Limited, Acucap Properties Limited and Sycom Property Fund.

He is the former CEO of Old Mutual Asset Managers and former deputy CEO of Capital Alliance Asset Managers, firms he initially joined as a senior portfolio manager and an analyst, respectively.

Sello is a trustee of the UCT Foundation and the Nelson Mandela Foundation where he also chairs the Investment Committee. He was the national president of the Association of Black Securities and Investment Professionals (ABSIP) from 2005 to 2007.  In 2003, ABSIP presented him with the Financial Services Pioneer Award in recognition of his achievements in the field of investment management. 

  • BSc (Hons) and Postgraduate Certificate in Education, University of Leicester
  • Advanced Management Programme, University of Pennsylvania Wharton School

Thabo Leeuw

Chief Executive Officer

Thabo is co-founder and chief executive officer of Thesele Group and has more than 27 years experience in the food and beverages, petrochemicals, ICT and financial services sectors. He is former global director of Cazenove PLC and director of corporate finance in Cazenove’s South African branch.  

Thabo is the non-executive Chairman of ICAS South Africa and non-executive director of Hulamin Limited, Rhodes Foods Limited, Elite Truck Hire and AEP Energy Africa. He also serves on the Strategic Investment Committee of the Eskom Pension and Provident Fund.

He was part of the team that drove the drafting of the Financial Sector Charter. Thabo was also secretary general of the Association of Black Securities and Investment Professionals (ABSIP) from 2003 to 2005. In 2003, he was a Financial Mail rated analyst in the transport and healthcare sectors. 

  • BCom Accounting, University of Zululand
  • BCompt (Hons), UNISA
  • Management Advanced Programme, Wits Business School

Sibusiso Mthembu

Executive Director

Sibusiso joined Thesele as a senior executive in 2009 and now holds the position of executive director. His career spans more than 15 years, during which time he has held various roles in asset management and investment banking with local and international banks, including Real Africa Durolink and HSBC.  

Sibusiso is a co-founder of Sansara Group, a corporate advisory firm that merged with the Macquarie advisory team. He currently serves as a non-executive director on the boards of Prudential Portfolio Managers South Africa and Probe Corporation.

  • BSocSci, University of KwaZulu-Natal
  • Masters in accounting, Bond University in Australia
  • MBA, Bond University
  • Advanced Company Law 1 and 2, Wits Law School

Oliver Petersen

Senior Executive

Oliver joined Thesele in November 2015 and is currently an exeuctive director. He started his now 15-year career by serving articles at PwC and has since held various associate and executive roles in investment, corporate finance and private equity.

In addition to originating and taking a lead role in Thesele’s investment into Elite Truck Hire, Probe Corporation and DG Capital, he also represents Thesele on the boards of these portfolio companies. Oliver also represents Thesele on the board of AEP Energy Africa Limited.

Prior to joining Thesele, Oliver was a senior deal executive at CapitalWorks Private Equity, CEO at Brait SA’s Alternative Equity Partners and COO at Circle Capital Ventures. He has held various board positions and is a former secretary general of the Association of Black Securities and Investment Professionals (ABSIP). Oliver is also a member of the South African Institute of Chartered Accountants.

  • BCom Financial Accounting, University of Pretoria
  • BCom (Hons) Accounting Sciences, University of Pretoria
  • Certificate in the Theory of Accountancy, University of Pretoria
  • EVCA Certificate in Institutional Private Equity Investing, Saïd Business School at the University of Oxford​

Clifford Raphiri

Thesele Board Member

Clifford recently joined Thesele as one of our board members.  He is also currently the executive director at Phetogo as well as a non-executive chairman at Adcock Ingram Holdings (Pty) Ltd.

Clifford is an operational executive with over 30 years of experience in business. He was the manufacturing and technical director of SAB (Pty) Ltd for seven years and member of the board at SAB for 10 years. 

Clifford is a mechanical engineer by training and has also held a number of senior leadership positions in manufacturing, industrial, engineering and consulting sectors.

Marcia Ntechane

Investment Associate

Marcia is one of the newest members of the Thesele team having joined in November 2017 and taking on the role of investment association. She assists the team with transaction evaluation, due diligence and execution. She has eight years of experience in investment and corporate finance advisory.

Marcia previously worked as a Manager in Deloitte’s Corporate Finance team and has also held various transaction advisory roles, including valuations and business modelling, infrastructure and capital projects, as well as mergers and acquisitions. Her experience and understanding of the industry ranges from consumer business to infrastructure and capital projects, specifically in transport, energy, construction and ICT.

Other positions she has held prior to joining Thesele include Senior Associate at the Utho Capital SME Infrastructure Private Equity Fund and Relationship Manager at FNB Private Clients where she gained extensive experience in credit analysis.

  • BCom Business Science – University of Witwatersrand
  • BCom Hons – University of South Africa
  • Current MBA - MaryMount University of California

Laurisha Lachman

Executive Assistant

Upon joining the team at Thesele, Laurisha Lachman took on the role of Executive Assistant to the executive team, including the CEO and executive Chairman,  this was an easy enough task given her more than 15 years experience in similar postions across various sectors including investment banking, hospitality and property management.  Her role  is to make sure that the team is well supported, liaising with external stakeholders on their behalf and enabling them to optimise their time as they focus on the core business of the organisation.

  • Diploma in Computers and Administration
  • Diploma in High Performance Executive Personal Assistant

Angelique Roman-Lee

Office Manager

Angelique, Thesele's office manager, has been the management team's right hand for the past 12 years.  Her primary responsibility is to ensure the smooth running of operations throughout the organisation as well as overseeing or assisting with administrative functions such as the preparation of payroll, managing correspondence as well reviewing and approving supply requisitions.

  • National Certificate: Management – Award Training
  • Certificate in junior and senior bookkeeping, Damelin
  • Certificate in office administration, Spectrum Graduate School of Business