Company Details
Technology Stack
Professional Summary
Ruth Janning is Head of Data Science at OBI Group Holding. OBI Group Holding operates in the retail industry and has 40000 employees. Based in Duesseldorf, North Rhine-Westphalia, Germany. Classified as a head-level Head of Data/AI leader. Their organization's technology stack includes SendInBlue, Gmail, Google Apps, Zendesk, Amazon AWS, and 44 other technologies. OBI Group Holding reports annual revenue of 9051000000. OBI Group Holding has raised 9200000 in total funding.
Industry & Role Insights
- • CTO Rank tracks 2,583 Head of Data/AI leaders with verified contact information.
- • There are 7,254 tech leaders in the retail industry in our database.
- • We have verified contacts for 4 tech leaders at OBI Group Holding.
- • 3,062 tech leaders in North Rhine-Westphalia are available in our database.
Position in the CTO Rank Database
- • Ruth Janning is 1 of 2,591 leaders with the Head of Data/AI role tracked in the CTO Rank database.
- • 42 hold the Head of Data/AI role at retail companies (out of 7,314 total retail leaders in our database).
- • 47 hold the Head of Data/AI role in North Rhine-Westphalia.
- • 10 hold the Head of Data/AI role at companies with 40000 employees.
- • Typical Head of Data/AI compensation in North Rhine-Westphalia: $190,000 – $370,000 (median $260,000). 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 Ruth Janning?
Ruth Janning has a verified email address on file on CTO Rank. They work at OBI Group Holding. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does Ruth Janning work for?
Ruth Janning is Head of Data Science at OBI Group Holding, a company in the retail industry with 40000 employees. The company is headquartered in Wermelskirchen, Nordrhein-Westfalen, Germany.
What is Ruth Janning's role in technology leadership?
Ruth Janning is classified as a Head of Data/AI leader at the head level.
What technologies does Ruth Janning's organization use?
Ruth Janning's organization uses a technology stack that includes SendInBlue, Gmail, Google Apps, Zendesk, Amazon AWS, Amazon CloudFront. This information is useful for sales teams, recruiters, and technology vendors.
Is Ruth Janning open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to Ruth Janning using the verified contact information available to Pro members. When recruiting a Head of Data Science, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.
Can I pitch or sell to Ruth Janning at OBI Group Holding?
Ruth Janning is Head of Data Science at OBI Group Holding. Head of Data/AIs like Ruth Janning typically evaluate vendors in SendInBlue, Gmail, Google Apps, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is Ruth Janning's profile data?
CTO Rank verifies and refreshes profile data weekly. Ruth Janning's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
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