Leonard will report to Cohn & Wolfe group CEO Donna Imperato and work alongside Julian Tanner, principal and CEO of AxiCom Europe.
She will have responsibility for setting a strategic vision to oversee operations across AxiCom’s US network, as well as providing senior counsel to key clients.
Leonard joins AxiCom from Blanc & Otus, where she was chief operating officer and executive vice-president.
Tanner said: ‘Anna is known as a trusted adviser to technology brands and will be an enormous asset in laying the roadmap for the growth of AxiCom’s US market, while enhancing our global offering.’
Leonard added: ‘The consumerisation of enterprise computing, cloud computing, green technology, mobility and social applications has placed new levels of importance on providing a holistic approach to communications for technology brands.
‘I will work with AxiCom in leveraging its deep expertise across the technology spectrum to help clients navigate this new marketplace.’
Prior to joining Blanc & Otus, Leonard was managing director and executive vice-president of Porter Novelli.