Ivan Lam / Counterpoint Research: China's smartphone shipments declined 4% YoY in Q1 amid memory shortages; Huawei's shipments grew 2% YoY for a 20% market share, iPhone grew 20% for a 19% share  —  Ivan is a Senior Research Analyst at Counterpoint Research, based in Hong Kong.  He has more than 15 years of experience, with a major focus on mobile and network devices.