Donald Mac Callum is a Partner at 1.0 (One-Point-Zero). He possess expertise in product marketing, team building, purchasing, consumer electronics, account management and 22 more skills. Colleagues describe him as "I’ve worked with Donald on many occasions over the past twenty years. Donald knows customer service, understands large projects and how to mobilise large complex teams. If the project slips he’s a good engineer and knows how to recover. When communications fails he gets it back on track. Donald built their company with Eric in Hong Kong a few years ago. We entrusted them with our entire manufacturing. It came online flawlessly. We moved manufacturing from Ireland. They delivered to all… Show more" and "I have known Donald for over 10 years and worked with him on the restructuring of our entire supply chain, where we needed to build a strong and reliable operations team from which to grow our business. In 14 short weeks Donald and his team carried out DFM on all our plastic parts, built tooling, prepared for manufacture and executed a build of 10K. Donald was also instrumental in arranging for the financing of our supply chain moving forward, alleviating cash flow pressure as we… Show more"