Vick is currently finance director of the association. As well as experience in financial and commercial management she also has proven leadership experience the association said, having joined the board as finance director in April 2016.
Vick was chief financial officer for insurance company Audatex UK for 18 years and worked for Deloitte before that.
HTA president Adam Wigglesworth said: "I am delighted that Alex has accepted this position. Her commitment and enthusiasm to improving the HTA for the members has become clear to the Board. I am confident that with her direction, the Leadership team of the HTA will focus on the areas that bring most value to its members."
He added: "The HTA is fortunate to have a senior team with specialist knowledge which working collaboratively, can cover the very diverse issues affecting all of our members. The HTA Board are currently in the process of reviewing the management structure and Alex’s appointment is step one in ensuring the organisation drives forward and continues to look after the interests and needs of its members better."
The Senior Leadership team at the HTA comprises, Alex Vick, Senior Executive Director and Finance Director, Anne Clark, Director of Human Resources, Martin Simmons, Director of Operations and Raoul Curtis-Machin, Director of Horticulture.
Wigglesworth added: "We needed a senior member. We're still looking at the structure. We're having a meeting in June and will take it from there. The board is in the process of carrying out a review."