Centuries of combined expertise delivering global solutions now.

RealTimePurity is not just a catchphrase; it’s a promise that we deliver with all our products and solutions.

RealTimePurity is a privately held technology and instrumentation company based in Northern California. We develop and manufacture disruptive devices that enable a cleaner and safer environment.

Our flagship product is a hardware and software solution that detects the purity of liquids in real-time. We also provide fully managed consulting to solve each customer’s needs, along with ongoing support.

Meet the team

Robert Keville | Chief Executive Officer

  • University of Southern California / Stanford University
  • 35+ years in developing and marketing new analytical instruments
  • CEO of KMD Science, Inc. which supplied highly technical sensor systems to various government agencies
  • Founding member of the Small Business Technology Coalition
  • Co-invented a briefcase-sized mass spectrometer
  • Lawrence Livermore Lab Scientist; 25 years
  • Winner of 2 R&D 100 Awards

Dr. Daniel D. Dietrich | Chief Science Officer

  • University of California Los Angeles / State University of New York, Stony Brook
  • Managed several multi-million dollar projects from conception to finish, resulting in several patents on scientific instruments related to the environmental arena
  • 35 + years developing instruments for the US Navy, DOD, and NASA
  • Lawrence Livermore Lab Scientist; 30 years
  • Clarendon Research Fellow at Oxford University
  • Winner of 2 R&D 100 awards

Don Hawley | Chief Financial Officer

  • University of California Berkeley / University of California Santa Barbara
  • 35+ years C-Level executive experience as CFO, COO & CEO
  • CPA & Consultant at Deloitte
  • Significant experience with equity and debt financings including IPO

Paul Ferreri | Chief of Staff

  • Johns Hopkins University
  • 20+ years of professional financial experience
  • Raised millions and forged strong relationships with the investment community
  • Proven history of driving success on buy and sell-side with large institutions and startups

For Quality You Can Trust

General inquiries, sales, & support:

Investor questions & opportunities:


6507 Pacific Avenue, #318,
Stockton, CA  95207
Click here for a map

International inquiries:

Brazil Contact:
Grupo Bahia Associados
São Paulo, Brazil +55 11 2391-5787

Middle-East, South-America, Africa, Australia Contact:
Lynn Essman
Austin, TX (512) 415-2830

China: Shanghai Besters, LTD:
Shanghai, China Tel: 86-21-62438608