Our People


John Hemi


With over 35 years experience working in Project, Operations and General Management roles for large publicly listed and small privately held Main Contactors, John has developed a very broad and in-depth knowledge of Construction Contracting. 

John is motivated by teamwork, working smarter, finding solutions, and helping those around him to succeed then sharing in this success.




Selector Insight Assessment - extract.

   'John is capable of working at the strategic level. He is likely to be capable of identifying the organisation’s goals and selecting the appropriate strategies to realise these goals'

Qualifications and Training


  • Bachelor of Engineering (Civil), University of Auckland
  • Certificate in Company Direction, Institute of Directors NZ
  • Registered Construction Manager, NZ Institute of Building
  • Certificate in Construction Site Safety, Site Safe
  • Du Pont - Behavioural Safety for Managers
  • Ernst & Young Darden - Executive Programme
  • Steven Covey - Leadership Forum
  • Rogen - Pitching to Win, Shipley - Directors Forum
  • Construction Contract Management using NZS3910




  • NZ Institute of Building
  • Society of Construction Law NZ
  • Green Building Council NZ,  (Greenstar AP, lapsed)
  • Institute of Directors NZ
  • Property Council of NZ
  • Carbon Neutral NZ Trust
  • Prefab NZ
  • Engineering NZ
  • Infrastructure NZ


Leadership Style


John develops strong and trusting relationships with clients, consultants, contractors and the community. He has a natural interactive leadership style based on respectfulness, finding the best solutions for all parties and expectations of excellence.

Under John’s leadership over 3 years, Decmil’s NZ business grew from 2 staff and $1m in Turnover to 85 staff and Revenue of $130m.


No of Projects




By Alternative Procurement Methods


Years Experience

John's Linkedin Profile