Mark Willemse
Senior Director Portfolio Platform in US Cards at Discover Financial Services
Company Details
Technology Stack
Professional Summary
Mark Willemse is Senior Director Portfolio Platform in US Cards at Discover Financial Services. Discover Financial Services operates in the financial services industry and has 21000 employees. Based in Bucharest, Bucharest, Romania. Classified as a director-level Director of Cloud/Infra leader. Their organization's technology stack includes Akamai, Akamai DNS, Taboola Newsroom, Contently, TubeMogul, and 40 other technologies. Discover Financial Services reports annual revenue of 20020000000.
Industry & Role Insights
- • CTO Rank tracks 2,586 Director of Cloud/Infra leaders with verified contact information.
- • There are 34,741 tech leaders in the financial services industry in our database.
- • We have verified contacts for 136 tech leaders at Discover Financial Services.
- • 794 tech leaders in Bucharest are available in our database.
Position in the CTO Rank Database
- • Mark Willemse is 1 of 2,609 leaders with the Director of Cloud/Infra role tracked in the CTO Rank database.
- • 236 hold the Director of Cloud/Infra role at financial services companies (out of 34,954 total financial services leaders in our database).
- • 4 hold the Director of Cloud/Infra role in Bucharest.
- • 16 hold the Director of Cloud/Infra role at companies with 21000 employees.
Data sourced from 484,726 tech leadership profiles. Updated May 2026.
Frequently Asked Questions
How do I contact Mark Willemse?
Mark Willemse has a verified email address on file on CTO Rank. They work at Discover Financial Services. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does Mark Willemse work for?
Mark Willemse is Senior Director Portfolio Platform in US Cards at Discover Financial Services, a company in the financial services industry with 21000 employees. The company is headquartered in Riverwoods, Illinois, United States.
What is Mark Willemse's role in technology leadership?
Mark Willemse is classified as a Director of Cloud/Infra leader at the director level.
What technologies does Mark Willemse's organization use?
Mark Willemse's organization uses a technology stack that includes Akamai, Akamai DNS, Taboola Newsroom, Contently, TubeMogul, Drupal. This information is useful for sales teams, recruiters, and technology vendors.
Is Mark Willemse open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to Mark Willemse using the verified contact information available to Pro members. When recruiting a Senior Director Portfolio Platform in US Cards, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.
Can I pitch or sell to Mark Willemse at Discover Financial Services?
Mark Willemse is Senior Director Portfolio Platform in US Cards at Discover Financial Services. Director of Cloud/Infras like Mark Willemse typically evaluate vendors in Akamai, Akamai DNS, Taboola Newsroom, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is Mark Willemse's profile data?
CTO Rank verifies and refreshes profile data weekly. Mark Willemse's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
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