Yu-Sung Chang

Yu-Sung Chang serves as Chief Executive Officer at Vivity AI. Vivity AI operates in the information technology & services sector with approximately 31.0 employees. The company is headquartered in San Francisco, California.

Industry & Role Insights

• • MessageCEO tracks 50,503 executives in the information technology & services sector.
• • We have verified contacts for 3 executives at Vivity AI.
• • 13,743 executive contacts are available in California.
• • Our database includes 201,469 c suite-level executives.

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software development vivity ai vivity edge vivity analytics industrial ai iiot plc cctv ai solutions edge computing real-time analytics data acquisition manufacturing insights task oriented ai system integration smart manufacturing process optimization machine learning operations mlops enterprise resource planning erp systems manufacturing execution systems mes observability quality of work profitability roi hardware integration data analysis visualization intelligent automation risk assessment predictive maintenance core features client solutions industrial applications real-time data business intelligence energy management professional services custom integration digital transformation system architecture ai modules data-driven decisions performance metrics supply chain optimization data security cloud integration technology innovation customer satisfaction information technology & services enterprise software enterprises computer software b2b data analytics analytics oil & energy professional training & coaching computer & network security

DS

Divya Singh Chief Financial Officer & Chief Operating Officer at Vivity AI

LK

Lauren Kim Chief of Staff to CFO/COO at Vivity AI

MJ

Marvin Jo CTO at 위블링

RK

Robert Kim CEO, North America at 당근마켓

KL

Kyung Lim CTO at 인터파크

Outreach Guidance — information technology & services Sector

Technology executives make decisions on infrastructure, tooling, and partnerships. When reaching out to Yu-Sung Chang, lead with your value proposition relative to the stack they currently use. Generic pitches perform poorly; specific technical relevance is key.

Yu-Sung Chang's Position in the MessageCEO Database

• •Yu-Sung Chang is 1 of 3 verified executive contacts we track at Vivity AI.
• •49,754 verified executive contacts in information technology & services are in the MessageCEO database.
• •12,901 verified executive contacts in California are in the database.
• •748 verified contacts work at information technology & services companies in the 31.0 employee range (same size as Vivity AI).

Executive contact data compiled from public business filings, LinkedIn public profiles, company press materials, and verified outbound email testing. We do not publish personal addresses or sensitive identifiers. Methodology & sources · Removal requests handled at /remove-info · Updated June 2026.

How do I reach Yu-Sung Chang directly?

Yu-Sung Chang's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Executive Officer at Vivity AI. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Yu-Sung Chang work for?

Yu-Sung Chang is Chief Executive Officer at Vivity AI, a company in the information technology & services sector with 31.0 employees. The company is based in San Francisco, California.

Can I pitch or sell to Yu-Sung Chang?

As Chief Executive Officer at Vivity AI, Yu-Sung Chang is a key decision-maker in the information technology & services sector. MessageCEO Pro gives you verified email to reach Yu-Sung Chang directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Yu-Sung Chang in?

Yu-Sung Chang works in the information technology & services industry as Chief Executive Officer at Vivity AI. MessageCEO provides verified contact information for executives across all major industries.

Is Yu-Sung Chang's contact information verified?

Yes. MessageCEO verifies executive contact information through multiple data sources and regular validation checks. Yu-Sung Chang's profile is kept up-to-date with the latest available information.

Last updated: June 28, 2026