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The Executive Team


David Tiltmann (54)
Chief Executive Officer
BCom (industrial Phychology Business Economics)

David obtained his BCom from UPE in 1986. He began working for Algoa FM as a freelance announcer in 1989 and has held positions as Music Manager, Programme Manager and Operations Manager since then. He was appointed Managing Director of the station in February 2000. David worked as Broadcast Liaison Officer for the Host Broadcast Services at the 2010 World Cup. He was appointed as Chief Executive Officer of AME Ltd on 1 December 2018

Angela J Isbister (38)
Executive Financial Director 
Appointed 1 September 2010

Angela joined the group in April 2010. She completed her articles at Deloitte & Touche and worked for them in Johannesburg and San Francisco before moving to the UK where she worked in transactional services as as a financial analyst for a number of large orginisations including the National Health Services.

Michelle Mynhardt (45)
Executive Financial Director
BCom (Hons), CA (SA)
Appointed 1 June 2010                                                                                                                                Resigned 30 November 2018

Michelle joined the group in April 2009. She completed her articles at PriceWaterhouseCoopers and later joined KPMG's International Advisory Services department. She has experience in various financial positions and has been in the media industry since 2009


Rivak Bunce (56)
United Stations

Rivak has a strong background in training, having managed his own training franchise for several years. He joined Radio 702 in 1987, rising to the position of sales manager. He subsequently worked for Primedia Group as Group sales director until co-founding United Stations in March 2000. He joined the AME group when the company was acquired in November 2002.

Alfie Jay (51)                                                                                                                                                   Umoya Communications – Algoa FM

Alfie began his career with Algoa FM as a production engineer in 1990. During his career of close-on 30 years, he has successfully held many different positions including: Producer, Presenter, News Journalist, Technical Manager, Programme Manager and Operations Director. Alfie has served as an Executive on the Board of Umoya Communications (PTY) Ltd t/a Algoa FM since September 2008. Under his guidance, he has led the station’s product output to countless new heights and accolades, including the coveted Commercial Station of the Year Award in 2018. He was appointed as Managing Director of Algoa FM on 1 April 2019.                              

Lyndon Johnson (54)

Lyndon successfully managed two commercial Radio Stations, as Managing Director of OFM and Station  Manager of KAYA FM. He also was Managing Director of a Content Marketing Company, Radio Heads up untill 31 October 2018. With over 30 years experience in media he has a unique perspective on the media industry in South Africa. Lyndon studied Journalism at the then Peninsula Technicon, now Cape Peninsula University of Technology. On 1 November 2018 he took over as CEO of Classic1027.

Nick Efstathiou                                                                                                                                               Central Media Group (OFM)

Nick was appointed as Managing Director of Central Media Group on 1 March 2019. He joined OFM in 2001 and has held various positions, from promotions and events coordinator, producer, presenter, marketing manager and general manager of the group.

Candy Dempers (40)                                                                                                                                        MediaHeads 360                                                                                                                                                  BA Law (UKZN), Post Grad Diploma Marketing Management (UNISA)

Candy joined Radioheads/ MediaHeads 360 as the Managing Director in November 2018. She has 22 years of experience in the South African media landscape, with 17 of those years being in radio. She crafted her passion for radio in some of South Africa’s most prominent media institutions and across some of the country’s most loved radio stations.

Gary Stroebel (44)
Central Media Group - OFM
BA (Communication), MBA (UFS)                                                                                                                Resigned 28 February 2019

Gary joined OFM in 1996 as a presenter, and has worked as Programme Manager as well as Sales and Marketing Director. In March 2008 he was appointed CEO. Gary obatined his MBA in April 2010. Nick Efstathiou took over the reigns on 1 March 2019.


Contact Details
Please contact us at 010 590 4554. AME House. Oxford Office Park. No. 5 8th Street. Houghton Estate.
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