MENLO PARK, CA—Tarlton Properties says Personalis Inc., a leading genomics-based clinical diagnostic laboratory, has signed a 66-month lease for more than 31,000 square feet at Menlo Business Park here. Personalis will occupy the entire building at 1330 O'Brien Drive. and the second floor at 1360 O'Brien Drive.

Personalis provides researchers and clinicians accurate DNA sequencing and interpretation of human exomes and genomes. The company operates a CLIA Licensed and CAP Accredited diagnostic laboratory and provides advanced research services for inherited disease and cancer. Personalis recently completed a $33 million Series C financing round. Lightspeed Venture Partners led the round, bringing the company's total venture capital raised to date to $75 million.

“We are excited to be in a position where our company's business and funding have both increased significantly,” said John West, chief executive officer of Personalis Inc. “Our new facility in Menlo Park enables to expand both our office and laboratory space, while meeting our quality requirements and plans for continued growth.”