BioTherm’s Management Team

Jasandra Nyker
Jasandra NykerChief Executive Officer
  • Over 20 years international private equity & investment experience, including over 13 years renewable energy investment experience
  • Previously worked at Brait Private Equity (SA), Booz Allen Hamilton (UK), Lehman Brothers (UK) and PCG Asset Management (US)
  • Led and managed the direct investment arm of a US$680m green energy investment fund and set up and invested the KPC Clean Energy Fund
  • Honored by the World Economic Forum as a Young Global Leader
  • B.Bus.Sc (Finance), MBA (London Business School), Global Leadership Program (Harvard)
Julian Johnson
Julian JohnsonChief Operations Officer
  • Over 12 years of financial and management experience, including 6 years in telecommunications in Africa and the Middle East, financial services and renewable energy
  • Leads all operating and financial management aspects at BioTherm Energy
  • Broad experience across operational finance, tax and treasury, M&A, company secretarial, insurance and risk management
  • Previously at Transaction Capital, MTN and KPMG
  • B.Com (Accounting), B.Com Honours (Accounting), CA (SA)
Werner Engelbrecht
Werner EngelbrechtDevelopment Director
  • Over 25 years power generation experience
  • Leads BTE’s grid compliance activities as well as all solar project activities from a technical and contractual services perspective
  • Previously at Eskom, Sappi and private consultant as Owners Engineer in utility scale green fields and brown fields thermal power station projects in South Africa
  • B Eng (Electrical and Electronic) (University of Johannesburg)
  • Government Certificate of Competency
  • Member the Eskom Grid Code Access Committee
Ludwig van Aarde
Ludwig van AardeTechnical Director
  • Over 23 years conventional power generation experience including O&M, and asset management
  • Over 7 years of experience in development of solar and wind projects including construction management, Operations and Maintenance
  • Various positions at Eskom, Worley Parsons, Pangaea and Marstec
  • Experience in design & operation of power plants and technical team management on site
  • B Eng (Mechanical, University of Stellenbosch and Government Certificate of Competency (DoL)
Loretta Di Zio
Loretta Di ZioEconomic Development Director
  • Responsible for all Economic development, value for money and socio-economic development activities
  • Qualified CA with over 12 years of financial reporting, audit & management experience,
  • Previously worked for EY both in South African and internationally
  • Previously managed all finance functions for all companies within the BioTherm Energy portfolio as its Senior Finance Manager
  • B.Com (Accounting), Honors, CA(SA)