Building the Next Generation Private Cloud

Seong-Kook Shin

President/COO

Seong-Kook began his career as a Software Development Engineer at Samsung Electronics. He started as an embedded software developer then transitioned to a server-side Cloud Software Developer, where he designed and implemented several key services such as Samsung OpenAPI (for the InternetTV), Samsung Cloud Application Platform (PaaS), and Samsung Voice Recognition Service (a.k.a. SVoice). His specialties are designing the architecture for large-scale services, and ensuring service stability. Seong-Kook earned his Bachelor’s of Computer Engineering & Computer Science from Hongik University.

Sean Johnson

Chief of Staff

Sean has spent over 12 years at Joyent in numerous management roles focused on our customers and market execution. Prior to Chief of Staff, Sean led our Commerrcial Group, having previously served in sales, marketing, product and customer experience leadership roles. Prior to Joyent, Sean served 7 years at Dell with enterprise sales roles covering a range of territories and infrastructure solutions.

Sean attended Vanderbilt University and holds a Bachelor of Arts in Economics.

Jogyoung Hwang

Head of Cloud Operations

Jogyoung works over two decades of experience at Samsung Electronics. He began his carrier as a programmer and database engineer in the Network Business Division. He has been working in the role of Operation Program Manager for various Samsung Services such as Spay, SAccount, and Bixby for about 10
years after moving to the Mobile Business Division. Jogyoung attained a Bachelor of Computer Science degree from Ajou University in Republic of Korea.

Kevin Lee

Head of Business Management

Kevin Lee is the Head of Business Management at Joyent, where he oversees a cross-functional organization spanning IT/OSS operations, accounting, finance, procurement, and cloud fixed asset management. He plays a strategic role in driving operational excellence, financial discipline, and governance alignment across Joyent’s global business, while ensuring integration with Samsung’s broader enterprise objectives.

Before joining Joyent in 2016, Kevin held key finance and strategy roles at 3M, LG Electronics, and Diageo Plc, gaining deep experience across multinational financial operations and corporate planning.

Kevin earned his B.A. in Economics from the University of Rochester and attended M.S. in Finance at Johns Hopkins University.

Wyatt Preul

Head of Development

Wyatt holds a bachelor's degree from Monmouth College and began his career as a Software Engineer. He co-authored a couple of Wrox books for Community Server, which is a product he helped build. During his time at Telligent he led their initial mobile development and application security teams. Later, he joined Walmart Labs where he helped create the hapi.js framework as well as co-authored a hapi.js book. At Walmart, he led a team that developed a mobile check-in service and also received recognition for an early prototype of an uber delivery integration. He co-authored another book, this time on the hapi.js framework. Wyatt joined the product team in 2016 serving many development and management roles, currently heading up software development.

Lloyd Benson

Head of UI and DX Engineering

Lloyd is a seasoned engineering leader with a background in Physics, Mathematics, and Computer Science from Hamline University. He began his career in web development and automation, and has since led engineering initiatives at Walmart Labs, Best Buy, and Apple.

Now serving as Director of Development, Lloyd oversees the UI/Client Engineering and Developer Experience (DX) teams at Samsung, driving innovation in automation, CI/CD, Kubernetes, and internal tools. He is also a core contributor to the open-source hapi.js project and co-author of a book on the framework.

Casey Bisson

Head of Product Management

Casey’s expertise ranges from hands-on engineer to corporate officer who has experience building product organizations from scratch. Casey has 15 years of experience as an engineering and product leader in consumer and B2B SaaS, including hyperscale public cloud IaaS, where he helped drive a devops revolution for container infrastructure and continuous delivery. Casey has worked with open-source communities throughout his career and demonstrated continued focus on making tools and systems usable. Before joining Joyent in 2023, Casey worked at Docker, where he led go-to-market efforts for the company’s container development products used by over 50 thousand companies and 20 million developers monthly.

Richard Chung

Head of Data Centers

Richard brings over 20 years of technical experience in Cloud Data Center and Telecommunications fields. Beginning his career by building Data Centers from the ground up, he later led key projects at Lumen, formerly Level 3 communications, ensuring successful consolidations for the organization's multiple mergers and acquisitions. At Joyent, Richard brings extensive leadership and operational excellence. Committed to delivering uninterrupted Data Center services, he ensures high availability for internal customers and mobile users worldwide. His expertise in Cloud Infrastructure ensures optimal performance across Data Center Engineering and Operations.

Chris Yang

Head of IT Innovations

Chris brings to Joyent over 28 years of technical and operational management experience. As Head of Operations and Support, Chris leads the teams responsible for support services and back-end systems. Before joining the Joyent Management Team, Chris gained experience working in various industries, including cloud, manufacturing, SaaS, and FinTech organizations.

Cris Nevins

HR Leader

Cris Nevins is an accomplished HR leader with over 20 years of experience in global human resources strategy and operations. She holds a Bachelor’s degree in Organizational Leadership and a Master’s degree in Human Resources and Employee Relations from Pennsylvania State University, with a specialization in International Employee Relations.

Throughout her career, Cris has led HR functions at major global organizations including Boston Scientific, EMC² (now Dell Technologies), and GlobalLogic (now part of Hitachi). Her experience spans talent management, organizational development, employee relations, and international HR strategy.

At Joyent, Cris brings a people-first approach to shaping company culture, supporting leadership, and scaling HR practices to align with business growth and innovation.