chris rennaLifeSpan, the preventative medical practice and company with operations in Texas and California, is looking for a retainer PR agency.

Led by Dr. Christian Renna (pictured), a media savvy MD who has worked with high-profile athletes and appeared on outlets like "The Dr. Oz Show," the company wants to develop its brand as an innivator in "next generation" healthcare.

The company wants an established health and wellness PR firm to book appearances, place articles and land other coverage.

Monthly retainer is in the $3-$5K range.

Proposals are due Dec. 11. View the RFP (PDF).