Expertise in Cisco Collaboration solutions that cover Calling, Meeting, Messaging, and Contact Center.Continues to be the technical lead of engineers.Major Projects:* Upgrade of Cisco Unified Communications solution for a large securities company (Architect) [Nov 2022]* Implementation of Cisco Unified Communications solution for a local government (Architect) [Jan 2022]* Upgrade of Cisco Meeting solution for a large securities company (Tech Lead) [Jun 2021]* Cisco Webex API / SDK development support for a large bank (Tech Lead) [May 2021]* Implementation of Cisco Webex Calling for a bank (Tech Lead) [Dec 2020]* Development of a custom scheduling and meeting application using Cisco Webex API / SDK (Architect) [Dec 2020]* Cisco Webex API / SDK development support for a large insurance company (Architect) [Mar 2020]* Upgrade of Cisco Collaboration solution for a government agency (Tech Lead) [Feb 2018]* Migration of a large government agency to Cisco Collaboration solution (Architect) [Jan 2018]* Implementation of Cisco Collaboration solution for a large insurance company (Tech Lead) [Oct 2017]* Requirement definition of Cisco Collaboration solution for a large Australian energy company (Lead Engineer) [Apr 2017]* Use case development of Cisco Meeting solution for a large gaming company (Architect) [Oct 2015]* Development of a global Cisco Unified Communications solution architecure for a large technology company (Architect) [Feb 2014]* Development of a custom agent desktop application for Cisco Contact Center solution (Architect) [Sep 2013]* Upgrade of Cisco Unified Communications solution and implementation of Cisco Web Conferencing solution for a large securities company (Tech Lead) [Jul 2013]* Migration of a large pharmaceutical company to Cisco Unified Communications solution (Architect) [Apr 2013]

Expertise in Cisco Unified Communications products including CM, IOS GW, GK, CCX, and etc. Have consulted and designed for the largest companies in Japan. As the technical lead of a team of around 10 people, I mentor and give advice to the team, review deliverables, and often design myself.Major Projects:* Migration of a large pharmaceutical company to Cisco Unified Communications solution (Architect) [Apr 2010]* Migration of a large engineering and construction company to Cisco Unified Communications and Meeting solution (Technical Lead) [May 2009]* Launch and design of UCaaS (Unified Communications as a Service) for a large service provider (Architect) [Mar 2009]* Migration of a large securities company to Cisco Unified Communications solution (Technical Lead) [Feb 2008] * Migration of a large car manufacturer to Cisco Unified Communications solution (Technical Lead) [Mar 2007]* Migration of a large securities company to Cisco Unified Communications solution (Lead Engineer) [Nov 2003]

* Design and development of DSLAM (DSL Access Multiplexer) adopted by large service providers [Sep 1995 - Dec 1998]* Design and development of next generation NMS (Network Management System) for DSLAM [Jan 1999 - Sep 2002]