Company Details
Technology Stack
Professional Summary
Sebastian Haase is CTO at Umeleon GmbH. Umeleon GmbH operates in the mechanical or industrial engineering industry and has 6 employees. Based in Hanover, Lower Saxony, Germany. Classified as a c-suite-level CTO leader. Their organization's technology stack includes Outlook, Hubspot, Google Dynamic Remarketing, Etracker, Facebook Widget, and 12 other technologies.
Position in the CTO Rank Database
- • Typical CTO compensation in Lower Saxony: $250,000 – $650,000 (median $420,000). 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 Sebastian Haase?
Sebastian Haase has a verified email address on file on CTO Rank. They work at Umeleon GmbH. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does Sebastian Haase work for?
Sebastian Haase is CTO at Umeleon GmbH, a company in the mechanical or industrial engineering industry with 6 employees. The company is headquartered in Hanover, Lower Saxony, Germany.
What is Sebastian Haase's role in technology leadership?
Sebastian Haase is classified as a CTO leader at the c-suite level.
What technologies does Sebastian Haase's organization use?
Sebastian Haase's organization uses a technology stack that includes Outlook, Hubspot, Google Dynamic Remarketing, Etracker, Facebook Widget, Google Tag Manager. This information is useful for sales teams, recruiters, and technology vendors.
Is Sebastian Haase open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to Sebastian Haase using the verified contact information available to Pro members. When recruiting a CTO, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.
Can I pitch or sell to Sebastian Haase at Umeleon GmbH?
Sebastian Haase is CTO at Umeleon GmbH. CTOs like Sebastian Haase typically evaluate vendors in Outlook, Hubspot, Google Dynamic Remarketing, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is Sebastian Haase's profile data?
CTO Rank verifies and refreshes profile data weekly. Sebastian Haase'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