Dr. Rene Haller
A naturalist, trained in Horticulture, Landscaping and Tropical Agronomy.  In 1959 he became Manager of the ‘Garden and Agriculture Department’ of the ‘Bamburi Portland Cement Co’ near Mombasa.  In this role he rehabilitated the former limestone quarries and create a tropical paradise.  In 1982 he became Managing Director of Baobab Farm Ltd, where he managed to demonstrate the productivity of rehabilitated landscape in terms of food, tourism, community schemes and employment.  In 1987 he was awarded the prestigious Global 500 Roll of Honour by the United Nations, for his ‘outstanding environmental achievements’ and in 1991 the prestigious Swiss Brandenberger Prize.  In April 2003 he was appointed to the board of the Kenya Wildlife Service. 

Sabine Baer
Graduated from the University of Berne (Switzerland) in Biology, having specialised in Integrated Aquaculture and Acquatic Botany. Ms Baer joined Baobab Farm as a research biologist in 1988. She is now responsible for the quarry rehabilitation scheme,  the Forest ecosystem and wildlife utilisation for the Haller Park. She  continues to research and is a member of the Shimba Hills Support group and is involved in education and training programmes. 

Robert Brenneisen
A Swiss citizen, he provides consultancy services  to both the government and private sector in Kenya.   During a 45 year career in the Cement industry he worked in Nigeria, Venezuela and Kenya.  In 1994  he retired as managing director of Bamburi Cement Co after thirty years of service. He is currently chairman  of Athi Railroad company and Chairman of Satao Camps which operate  in Tsavo. He is holder of the Moran Award Of the order of the burning spear for services rendered to the nation.

Paul Kiambo
Recently retired from the legal profession.  After practising as a lawyer in Nairobi for 25 years, he returned to Mombasa.  He has since initiated many community conservation projects both on the South Coast and on Mount Kenya.  He is very keen on ensuring the younger generation are involved in a practical way in conservation programmes and is actively involved in youth work. He has  sponsored outdoor programmes which focus on teaching teenagers social, cultural and environmental responsibility.  

Louise Piper
Now based in the UK, Louise grew up in Africa, where her father worked for 35 years.  After graduating with a law degree from Cambridge, she spent nearly 20 years working as an investment banker  in London, New York and Asia.  She came across Rene Haller's work, through his son - a fellow banker - and decided to help promote it.  She also is a trustee of the Haller Foundation based in the UK which raises money for projects initiated by the Baobab Trust and projects in other areas which share  the Haller Principles.

Didier Tressarieu
Employed by Lafarge, Didier Tressarieu was the Managing Director of Bamburi Cement Ltd. until September 2005 where he has taken responsibility of Lafarge operations in Japan.