Mr Horne leads the account and advisory practice for Deloitte in Dunedin. His role includes everything from financial advisory to business and strategic planning.
He said he was keen to play a role in furthering the governance practices and ultimately the prospects of businesses in the region over the next 20 years.
"I see the aspiring director award as an excellent initiative and a step for me in terms of furthering these aspirations and ensuring I build the necessary skill base and experience."
Deborah Mackay, a corporate accountant and director of Southern Hospitality was runner-up.
She noted that women experienced a low representation in the senior ranks of management and boards in New Zealand.
Women with the right skills and experience could bring a different perspective to the corporate environment and enhance the performance of a board, she said.
