Allen is an internal promotion, and started at Fonterra as a graduate in 2008.
Attorney-General David Parker has named a total of 19 new District Court judges so far.
The former New Zealander of the year will also be a mentor for senior staff.
Summerset Group Holdings has appointed Venasio (Vena) Crawley to its board.
Paula Jackson joins board as non-executive director.
Mair Brooks, Robert Hill, James Dowle and Rachel Scott are the new partners.
Sinan Altug has begun the role and will be relocating to New Zealand in April.
Colin Foster will succeed Rob Braithwaite
Mike Petersen will be based in Auckland.
Kathleen Stubbs’ experience spans blockchain for property, IoT, AI and robotic process automation solutions.