John Willis is a Nothing that you have not given away will ever be really yours... at Darwin Diagnostics & Performance. He possess expertise in construction, construction safety, subcontracting, contractors, pre construction and 22 more skills. Colleagues describe him as "John is very reliable and very thorough. He is always very punctual, hard-working and conscientious. He pays close attention to detail and takes pride in his work. He has a strong work ethic and provides exemplary leadership and excellent mentorship for junior colleagues. I believe John would be capable of any contract/project he believes he can undertake."