Company Details
Technology Stack
Professional Summary
Marion Rosenstein is CIO Communication at Deutsche Telekom. Deutsche Telekom operates in the telecommunications industry and has 205000 employees. Based in Bonn, North Rhine-Westphalia, Germany. Classified as a c-suite-level CIO leader. Their organization's technology stack includes Amazon CloudFront, Salesforce, Amazon AWS, Microsoft Office 365, Outlook, and 53 other technologies. Deutsche Telekom reports annual revenue of 119926904000.
Industry & Role Insights
- • CTO Rank tracks 16,373 CIO leaders with verified contact information.
- • There are 10,929 tech leaders in the telecommunications industry in our database.
- • We have verified contacts for 64 tech leaders at Deutsche Telekom.
- • 3,062 tech leaders in North Rhine-Westphalia are available in our database.
Position in the CTO Rank Database
- • Marion Rosenstein is 1 of 16,634 leaders with the CIO role tracked in the CTO Rank database.
- • 233 hold the CIO role at telecommunications companies (out of 11,085 total telecommunications leaders in our database).
- • 195 hold the CIO role in North Rhine-Westphalia.
- • 5 hold the CIO role at companies with 205000 employees.
- • Typical CIO compensation in North Rhine-Westphalia: $230,000 – $500,000 (median $360,000). 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 Marion Rosenstein?
Marion Rosenstein has a verified email address on file on CTO Rank. They work at Deutsche Telekom. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does Marion Rosenstein work for?
Marion Rosenstein is CIO Communication at Deutsche Telekom, a company in the telecommunications industry with 205000 employees. The company is headquartered in Bonn, Nordrhein-Westfalen, Germany.
What is Marion Rosenstein's role in technology leadership?
Marion Rosenstein is classified as a CIO leader at the c-suite level.
What technologies does Marion Rosenstein's organization use?
Marion Rosenstein's organization uses a technology stack that includes Amazon CloudFront, Salesforce, Amazon AWS, Microsoft Office 365, Outlook, JQuery 2.1.1. This information is useful for sales teams, recruiters, and technology vendors.
Is Marion Rosenstein open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to Marion Rosenstein using the verified contact information available to Pro members. When recruiting a CIO Communication, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.
Can I pitch or sell to Marion Rosenstein at Deutsche Telekom?
Marion Rosenstein is CIO Communication at Deutsche Telekom. CIOs like Marion Rosenstein typically evaluate vendors in Amazon CloudFront, Salesforce, Amazon AWS, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is Marion Rosenstein's profile data?
CTO Rank verifies and refreshes profile data weekly. Marion Rosenstein's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
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