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The WTSA team

Board of directors

Moditambi Elizabeth Ravele (55)Ravele


Moditambi (fondly known as Ntambi) is a former teacher. She joined the National Department of Sport and Recreation as the Assistant Director, Sports Advancement in 1995, after teaching at Reitumetse High School in Soshanguve for nine years.

She then initiated the Women and Sport project in the Department of Sport and Recreation, and was later appointed as the National Co-ordinator of Women and Sport South Africa, which was launched in 1997.

Ntambi was then appointed as a Chairperson fo Women and Sport South Africa (WASSA) steering Council by the then Minister of Sport and Recreation, Mr. Steve Tshwete, and was invited to represent South Africa in the International Olympic Committee (IOC), World Conference on Women and Sports in Switzerland.

Ravele was elected as a Chairperson, Supreme Council for Sport in Africa (SCSA), Zone VI Women and Sports Interim Committee 1996/97, and then Vice-chairperson from 1998-1999. She assisted in the formation of Women's committee in most of the Zone VI (SADC) countries, and ran workshops within some of the those countries.

Ravele is the former President for Netball South Africa, former board member for International Federation of Netball Association (IFNA) and former International Tennis Umpire (Davis Cup, World Doubles, ATP Tours, ITF tournaments and satellite matches).

Before joining Wheelchair Tennis South Africa (WTSA), Ntambi was the Board Chairperson for Boxing South Africa

Rene Plant Rene Plant

Non-Executive Director: Game Expert

Rene is the former South frican professional tennis player and is currently the country's new Fed Cup Captain for Tennis South Africa (TSA).

Rene is in charge of the national women's team for the next three years - up to and including the end of the 2020 Fed Cup campaign.

Rene reached a career high of 30 globally between 1980 and 1985, her best achievement was reaching a round of 16 at Wimbloden in 1985.

Since retirement from professional tennis, Rene has been involved in every facet of the game from being a pro player, a tennis parent, to being a professional coach from schools to provincial and national level. Rene has also been a selector, administrator and presently head of Tennis at one of the country's leading tennis schools, ST Mary's School Waverley. 

Rene still plays competitively on the TSA seniors circuit.

Alisha Lea Sadler-Almeida (39)Alisha

Non-Executive Director: Finance

Alisha completed her articles with PriceWaterhouseCoopers. She continued in the Auditing Division for over 7 years, with her final year as Senior Audit Manager.

The 39-year-old wheelchair-bound from Cape Town has extensive experience in the gaming industry working for GPI Management Services (a division of the Grand Parade investment Limited Group) for over 8 years in various senior roles incuding, Grandslots General Manager, Slots Group Finance &Admin Manager, Chief Operating Officer: Slots, and Director: Slots Operating Entities.

Continuing within the GPI Group, initially as Financial Planner & Analyst and later as the Financial Director: Burger King, she joined the Grand Foods arm of the business and was part of the Team which brought Burger King to South Africa.

Alisha has been the Reginal Manager Western Cape since 2015 to present.


Karen Losch

Karen Losch (47)

Managing Director

Before joining WTSA in 2008, Karen spent the first 14 years of her career in the pharmaceutical industry. Karen joined AstraZeneca Pharmaceuticals in 1993 as a sales representative. After 3 years she moved to the medical department where she worked as the Medical Information Officer. In 1999 Karen moved to the marketing department where spent 8 years working as a Brand Manager in the Specialty Division. She worked in both Oncology and Hospital Infections.

In 2007 Karen joined Rudy Project, an eyewear and Sunglass Manufacturer as the Managing Director. She was instrumental in setting up the structure, introducing the brand and developing the marketing and sales strategy.

Karen then joined Wheelchair Tennis SA in February 2008 as Managing Director. Karen is responsible for delivering on the objectives for the sponsors – growing the sport and delivering a superstar for SA, as well as running the structure and building the sport into a mainstream sport.

Nyadzeni Ishmael Tshipuke (43)Tshipuke

Players Representative

The 43-year-old Ishameal hails from Venda in Limpopo. 

Ishamel who is an active wheechair tennis player and currently ranked in the top 12 in South Africa has been working for the South African National Defence Force as a Corporal since 1994 to date.