Company Details
Technology Stack
Professional Summary
John Ert is Chief Information Security Officer at Mars Veterinary Health. Mars Veterinary Health operates in the veterinary industry and has 70000 employees. Based in Los Angeles, California, United States. Classified as a c-suite-level CISO leader. Their organization's technology stack includes Route 53, Amazon AWS, Nginx, Google Tag Manager, Apache, and 5 other technologies.
Industry & Role Insights
- • CTO Rank tracks 2,786 CISO leaders with verified contact information.
- • There are 188 tech leaders in the veterinary industry in our database.
- • We have verified contacts for 5 tech leaders at Mars Veterinary Health.
- • 48,652 tech leaders in California are available in our database.
Position in the CTO Rank Database
- • John Ert is 1 of 2,823 leaders with the CISO role tracked in the CTO Rank database.
- • 1 hold the CISO role at veterinary companies (out of 190 total veterinary leaders in our database).
- • 216 hold the CISO role in California.
- • 5 hold the CISO role at companies with 70000 employees.
- • Typical CISO compensation in California: $220,000 – $480,000 (median $340,000). 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 May 2026.
Frequently Asked Questions
How do I contact John Ert?
John Ert has a verified email address on file on CTO Rank. They work at Mars Veterinary Health. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.
What company does John Ert work for?
John Ert is Chief Information Security Officer at Mars Veterinary Health, a company in the veterinary industry with 70000 employees. The company is headquartered in Vancouver, Washington, United States.
What is John Ert's role in technology leadership?
John Ert is classified as a CISO leader at the c-suite level.
What technologies does John Ert's organization use?
John Ert's organization uses a technology stack that includes Route 53, Amazon AWS, Nginx, Google Tag Manager, Apache, Vimeo. This information is useful for sales teams, recruiters, and technology vendors.
Is John Ert open to recruiting or new opportunities?
CTO Rank does not track open-to-work status. The best approach is to reach out directly to John Ert using the verified contact information available to Pro members. When recruiting a Chief Information Security Officer, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.
Can I pitch or sell to John Ert at Mars Veterinary Health?
John Ert is Chief Information Security Officer at Mars Veterinary Health. CISOs like John Ert typically evaluate vendors in Route 53, Amazon AWS, Nginx, and related categories. Use CTO Rank Pro to get verified email and approach directly.
How accurate is John Ert's profile data?
CTO Rank verifies and refreshes profile data weekly. John Ert's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.
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