Chief Executive Officer of Green Sky Solutions, provider of cyber security consulting services for multiple industries. Extensive background over 25 years in information technology services. Skilled in Strategic Partnerships, Infrastructure, Security, Management, Software, Cloud and Start-ups. Strong business development professional with a BA from Columbia University in the City of New York. Accomplishments include leading strategic projects for IBM, Dell, Marriott, Hilton Hotels, American Airlines, CBS, MetLife, Kaiser Permanente, Tenet Healthcare and Wells Fargo. Mr. Han is the author of "Plan, Design and Implement Micro-Segmentation Solutions for Your Organization" from Taylor and Francis (2020), and holds 14 IT certifications including VMware, Cisco, Juniper and Microsoft.