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Mark Varnas — SQL Server performance, reliability, and cost optimization

Hi, I'm Mark Varnas

I'm the founder and CEO of Red9. For more than 20 years, I've helped teams make SQL Server faster, more reliable, and less expensive.

My work spans production troubleshooting, performance tuning, cloud cost optimization, high availability, disaster recovery, replication, and long-term database operations.

What I focus on

  • Finding the real constraint before adding hardware or changing platforms
  • Making SQL Server performance measurable and repeatable
  • Reducing database infrastructure cost without trading away reliability
  • Building practical, evidence-driven systems for DBAs and technology leaders
  • Using AI carefully in high-stakes database work

What I'm building

Red9 is developing a free, read-only 110-point SQL Server Health Check to surface performance bottlenecks, operational risks, and unnecessary costs. Preview the Health Check.

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