Joining the company are Brett Jackson, VP of sales engineering, as well as four sales executives.
Halberg brings a proven track record of driving sustainable revenue growth and enhancing profitability in highly competitive markets.
Dan Carranza, John Griffin and Dustin Warren were all recently promoted to new posts within the company.
Wallin will leverage advanced data, AI and intelligent automation to improve productivity for customers.
Sarah Stoner brings 17 years of experience in building strong customer relationships and sales across Western Canada.
Newly appointed Candy Daume has more than 25 years of heavy-duty aftermarket experience.
Stephanie Mudgett brings decades of experience leading Fortune 50 strategic corporate communications to Hyzon.
Gabriele Badino is the newly appointed head sustainability advisor.
The company has named Craig Edmonds as president of asTech among other executive appointments.
Hoefelmann assumes this new post, effective February 5.
David Marsh was named global vice president of Customer Care and Aftersales (CCA).