David works at the Natural History Museum in London, and lectures at Imperial College. He is an entomologist specialising in rainforest insects and soil ecology. He has done fieldwork in 18 countries including Malaysia, Indonesia, Papua New Guinea, Gabon, Madagascar and French Guiana. He has published more than 50 research articles in scientific books and journals.

David is a multi-award-winning public speaker, and frequent after-dinner speaker. He has won the annual Toastmasters’ UK & Ireland Impromptu Speech championship five times.

David has developed four talks for general audiences, based on his research. All have proved very popular. He is often invited back every year until he has presented all four. David can also deliver all these talks online via Zoom.

“Dr David Jones has spoken to our Ealing U3A group on a range of different subjects, and on each occasion his talks have been interesting and delivered with eloquence and a fair degree of wit. We are looking forward to him coming back to speak to us again in 2018.” John Moore, Deputy Chairman, Ealing U3A.

“David's talk to our U3A recently on, How tropical rainforests work, was absolutely brilliant and everyone was wowed by his knowledge and eloquence. He has a humorous and informative presentational style which certainly engaged our audience.” Shela Rowan, Faringdon U3A Speaker Co-ordinator.

"David has a winning formula with his scientific knowledge leavened with humour and audience interaction. His session on The Most Dangerous Animals on Earth was much enjoyed." Jane Tuckett, Thameside Wallingford U3A.

“David's talk was not only fascinating, but very educational. His professional and humorous presentation held our audience rapt throughout. There were numerous compliments from our Members afterwards. We shall be asking David to return.” Jan Dear, Hawkhurst U3A.

“Dr David Jones proved to be a huge success with our members. He is a superb speaker, and his talk was full of information and humour”. Joan Morrad, Programme Secretary, Camberley Natural History Society.

“David has given three talks over recent years to Basildon Natural History Society. They have been full of information, incorporating many of his personal experiences from working both in this country and abroad. He has a great sense of humour.” Mavis Waylett, Basildon Natural History Society.

“David has been our guest speaker on two occasions. He is a very humorous and articulate chap who speaks interestingly about his scientific work and other subjects. I commend him to anyone looking for an entertaining after-dinner speaker.” Colonel John Nowers, Rotary Club of Chatham.

“Dr David Jones, with his expert knowledge and experience brings the very major problems affecting the ecology of the Rain Forests of the world to the attention of the general public. His presentation is both informative and humorous and his mode of delivery was a pleasure to listen to.” Audrey Harris, NHS Retirement Fellowship, Basildon & Thurrock branch.

“David is an articulate young man who manages, in an interesting way, to combine his obvious grasp of the subject with a ready sense of humour.” Gerald Coldham, Rotary Club of Chingford.

“David has a wonderfully engaging manner, and the masterful structuring of his speech had a powerful impact on the audience. He is an outstanding speaker.” Helen Smith, Tower Hamlets Education Business Partnership.

“David’s natural charm and charisma entertained the audience from start to finish. When the Mayor was the one laughing the loudest we knew we had definitely booked a winner.” Heather Whittam, Compass Theatre Manager.