Steve Choy

President & CEO

Steve Choy is a Los Angeles native, an entrepreneur and a technology aficionado.  Having graduated from UCSD with a chemical engineering degree, Steve first set sights on the tech industry in 1992 when he started his first tech firm.  After successfully growing into a multi-million dollar business, Steve founded several other tech related firms, further expanding his experience and skill set.

In 2007, Steve shifted his focus from enterprise to cloud computing services and founded Yoji.  Steve realized that cutting edge VoIP technologies was on the verge of becoming mainstream.  By providing enterprise VoIP feature sets to small and medium sized businesses on a cloud hosted platform, customers would realize tangible savings without the need of expensive on-premise hardware.

Steve is a member of several business organizations in the greater Los Angeles area, including a few he founded himself, assisting smaller firms with his technological expertise.  He also volunteers his time coaching/reffing AYSO soccer events.  More information about Steve can be seen in his LinkedIn profile here.


Andrew Oh


Andrew Oh



Jason Moon

VP – LA Operations

Jason Moon has over 10 years experience in the IT industry and specializes in VoIP communications and cloud-based services.  Jason has designed, configured and deployed VoIP systems for the past five years, providing customers with significant savings on their communications expenditures.  Jason is passionate about leveraging technologies in order to produce financial and productivity benefits for Yoji clients.  He graduated from University of Pennsylvania, Wharton School of Business.  In his free time, Jason likes to camp and ride off-road motorcycles.