Company Details
Technology Stack
Professional Summary
Sean Koo is Director of Engineering at KT. KT operates in the telecommunications industry and has 19000 employees. Based in Cambridge, Massachusetts, United States. Classified as a director-level Director of Engineering leader. Their organization's technology stack includes Gmail, Outlook, Google Apps, Microsoft Office 365, Braze, and 31 other technologies. KT reports annual revenue of 18430465000.
Position in the CTO Rank Database
- • Typical Director of Engineering compensation in Massachusetts: $180,000 – $340,000 (median $240,000). Composite from levels.fyi, Glassdoor, and Payscale data; adjusted for state cost of labor.
Data compiled from LinkedIn public profiles, company filings, and verified public technology signals. Methodology & sources · Updated June 2026.
Frequently Asked Questions
How do I contact Sean Koo?
Sean Koo has a verified email address on file on CTO Rank. They work at KT. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does Sean Koo work for?
Sean Koo is Director of Engineering at KT, a company in the telecommunications industry with 19000 employees. The company is headquartered in Seongnam-si, Gyeonggi-do, South Korea.
What is Sean Koo's role in technology leadership?
Sean Koo is classified as a Director of Engineering leader at the director level.
What technologies does Sean Koo's organization use?
Sean Koo's organization uses a technology stack that includes Gmail, Outlook, Google Apps, Microsoft Office 365, Braze, Google translate widget. This information is useful for sales teams, recruiters, and technology vendors.
Is Sean Koo open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to Sean Koo using the verified contact information available to Pro members. When recruiting a Director of Engineering, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.
Can I pitch or sell to Sean Koo at KT?
Sean Koo is Director of Engineering at KT. Director of Engineerings like Sean Koo typically evaluate vendors in Gmail, Outlook, Google Apps, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is Sean Koo's profile data?
CTO Rank verifies and refreshes profile data weekly. Sean Koo's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
Get full access
Unlock verified emails, phone numbers, LinkedIn profiles, and CSV exports for 485,000+ tech leaders.
Upgrade to Pro