Peter Kerwood, marketing director at Concerto Group, will also join the International Special Events Society (ISES) UK Chapter as director of marketing and communications.
Baker has been a board member of ISES for the last five years and as president she will lead the largest board the association has seen, with a total of 18 members.
Jacqui Partridge, managing director of Partridge Events, will also take up the role of director of programmes.
On her new position, Baker said: "I am delighted to be taking over presidency of the UK Chapter at this time. Over the last few years, the association has repositioned itself as a leader in the creative industries and has become one of the most proactive, intelligent and forward-thinking associations in the UK events industry."