Company Details
Technology Stack
Professional Summary
Rex Thelen is Chief Technology Officer at Ottawa Area ISD. Ottawa Area ISD operates in the government administration industry and has 620 employees. Based in Grand Rapids, Michigan, United States. Classified as a c-suite-level CTO leader. Their organization's technology stack includes Outlook, CloudFlare Hosting, GetResponse, Python, Mobile Friendly, and 17 other technologies. Ottawa Area ISD reports annual revenue of 182420000.
Industry & Role Insights
- • CTO Rank tracks 138,833 CTO leaders with verified contact information.
- • There are 4,838 tech leaders in the government administration industry in our database.
- • We have verified contacts for 3 tech leaders at Ottawa Area ISD.
- • 5,811 tech leaders in Michigan are available in our database.
Position in the CTO Rank Database
- • Rex Thelen is 1 of 140,489 leaders with the CTO role tracked in the CTO Rank database.
- • 1,249 hold the CTO role at government administration companies (out of 4,870 total government administration leaders in our database).
- • 719 hold the CTO role in Michigan.
- • 149 hold the CTO role at companies with 620 employees.
- • Typical CTO compensation in Michigan: $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 Rex Thelen?
Rex Thelen has a verified email address on file on CTO Rank. They work at Ottawa Area ISD. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does Rex Thelen work for?
Rex Thelen is Chief Technology Officer at Ottawa Area ISD, a company in the government administration industry with 620 employees. The company is headquartered in Holland, Michigan, United States.
What is Rex Thelen's role in technology leadership?
Rex Thelen is classified as a CTO leader at the c-suite level.
What technologies does Rex Thelen's organization use?
Rex Thelen's organization uses a technology stack that includes Outlook, CloudFlare Hosting, GetResponse, Python, Mobile Friendly, Google translate API. This information is useful for sales teams, recruiters, and technology vendors.
Is Rex Thelen open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to Rex Thelen using the verified contact information available to Pro members. When recruiting a Chief Technology Officer, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.
Can I pitch or sell to Rex Thelen at Ottawa Area ISD?
Rex Thelen is Chief Technology Officer at Ottawa Area ISD. CTOs like Rex Thelen typically evaluate vendors in Outlook, CloudFlare Hosting, GetResponse, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is Rex Thelen's profile data?
CTO Rank verifies and refreshes profile data weekly. Rex Thelen's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
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