"Delta is committed to supporting the Australian market," said vice president of Delta Electronics Southeast Asia and India Jackie Chang.
"David's background in sales, marketing and engineering makes him the ideal choice to lead the overall development of our business."
Leal is already country manager for Eltek Australia, and the additional role of country manager for Delta Electronics (Australia) makes him responsible for all of Delta Electronics' business in Australia.
He has been with Delta Electronics' Eltek business since 2008, and previously worked in engineering management roles at Power-One and Invensys.
"I am excited to be working with a company so committed to setting the pace in the industry for green technology," said Leal.
"Delta's broad portfolio of green products and strong engineering focus gives me an excellent platform to further expand our market share in Australia."
Leal holds a bachelor's degree in Electrical Engineering from the University of Sydney and a postgraduate certificate in management from Macquarie Graduate School of Management.