SST, Inc. is the global leader in gunfire detection and location technology providing the most trusted, scalable and reliable gunfire alert and analysis available today.
SST's deep domain experience, along with cumulative agency best practice experience, deliver measurable outcomes that help reduce gun violence. Privately held, SST possesses multiple patents resulting from nearly two decades of innovation in the area of acoustic location technology.
Headquarters Newark, Calif., USA
Ownership Privately Held
Global installations in
& South America
square miles monitored in
the U.S. alone
- SST releases the 2013 National Gunfire Index; sheds light on the shocking but true nature and volume of illegal gun activity in America.
- Worcester, MA has the distinction of being the 50th customer using the new ShotSpotter Flex service offering.
- SST ShotSpotter coverage area in U.S. grows by 20% when Boston, Miami, Milwaukee, Wilmington (DE) and Puerto Rico sign on for ShotSpotter Flex.
- SST opens East Coast data center.
- SST launches the first-ever U.S. National Gunfire Index, the most detailed and comprehensive record available of illegal gunfire activity in cities across the U.S. during Q2 and Q3, 2013.
- SST announces ShotSpotter Briefing Room™, the industry’s first end-to-end gunfire crime analysis platform to combine the proven accuracy of ShotSpotter gunfire data with sophisticated crime analytics, data visualization, and geospatial summaries suitable for COMPSTAT-style reporting.
- ShotSpotter granted its 32nd US Patent by the US Patent and Trademark Office.
- ShotSpotter Flex gains rapid adoption by law enforcement agencies - large to small - nationwide as a critical component of comprehensive gun violence reduction initiatives.
- ShotSpotter granted its 26th US Patent by the US Patent and Trademark Office.
- SST relocates its corporate headquarters to Newark, California.
- ShotSpotter, Inc. changes corporate name to SST, Inc.
- SST launches ShotSpotter Flex, an affordable annual subscription service that is a hosted, cloud-based solution. US Patent and Trademark Office issues ShotSpotter its 25th US Patent.
- Ralph A. Clark named CEO.
- International business grows. Systems sold in Brazil and the United Kingdom.
- Listed as part of the AlwaysOn Global 250, a list of the hottest privately owned companies in technology.
- Presented Frost & Sullivan North America Product Innovation Award.
- Business grows in Midwest and Northeast United States. Systems deployed include Boston, Mass., and Bellwood, Ill.
- ShotSpotter GLS deployed in the U.S. Capitol, Washington D.C. (Still operational today).
- First VC funding obtained from Lauder Partners LLC.
- USPTO issues third ShotSpotter patent (#5,973,998).
- First pilot system deployment in Redwood City, Calif. (Still operational today).
- USPTO issues second ShotSpotter patent (#5,703,835).
- USPTO issues first ShotSpotter patent (#5,504,717).
- ShotSpotter conceived of by Dr. Robert Showen.
Ralph A. ClarkPresident and Chief Executive Officer
James G. BeldockSenior Vice President, Products and Technology
David H. ChipmanSenior Vice President, Public Safety
Joe HawkinsSenior Vice President, Operations
Theresa MarcroftSenior Vice President, Marketing
Douglas A. McFarlinVice President,
David P. RodgersVice President, Operational Engineering
Sonya L. StricklerVice President, Finance & Controller
Dr. Robert Calhoun
Dr. Robert Calhoun
Dr. Robert Calhoun is a founder, principal engineer and software scientist at SST/ShotSpotter, Inc. He has programmed in C, Visual Basic, and LabVIEW. He has written versions of the ShotSpotter detector and map displays, and designed sensitive detection, classification, and filtering routines to give the ShotSpotter its most impressive performance to date.
Rob has earned his undergraduate degree, his masters, and his Ph.D. in mechanical engineering from MIT.
Dr. Robert L. Showen
Dr. Robert L. Showen
Ph.D, Founder & Chief Scientist
Dr. Showen is SST, Inc.’s founder and patent holder on the technology. With over three decades of acoustic and geophysics research experience, it was Dr. Showen’s initial vision of helping police curb gunfire and urban crime that caused him first to conceive of ShotSpotter.
Engineer, scientist, and teacher, Dr. Robert L. Showen attended San Jose State University, University of California at Berkeley, and Rice University. He obtained degrees in electrical engineering and space physics and won a fellowship to the Max Planck Institute. He has taught astronomy and physics at the University of Puerto Rico, performed experiments to heat the ionosphere at the world’s largest RADAR, participated in the development of over-the-horizon RADAR at SRI International, and studied the effects of lightning on the ionosphere.
Jason Dunham is an engineer, a software specialist and a co-founder of SST/ShotSpotter. Jason’s specialty work is in vibration analysis as applied to components of nuclear plants. He has programmed in C, Pascal, FORTRAN, FORTH, Mathematica, and LabVIEW. He is the owner and founder of San Francisco Industrial Software Inc. which has an extensive local and statewide clientele. He has written a majority of the software used in the Trilon Technology gunshot location system, and is a co-inventor with Dr. Showen on patent applications for ShotSpotter technology.
Jason earned his BS, Mechanical Engineering from MIT and his MS in Mechanical Engineering at Stanford University.
Ralph A. Clark
Ralph A. Clark
Chief Executive Officer
A veteran of numerous successful technology start-ups, Ralph A. Clark brings 30 years of extensive corporate, financial and organizational leadership to his position as SST, Inc.’s President and Chief Executive Officer. Most recently, Clark was CEO of GuardianEdge Technologies Inc., where he led the transformation of the company into a leader in endpoint data protection and was instrumental in its recent acquisition by Symantec.
Prior to GuardianEdge, Clark served as vice president of finance for Adaptec through its acquisition of Snap Appliance, which he helped engineer. He was responsible for worldwide financial planning and analysis of Snap Appliance, serving as its chief financial office. Previous to his role at Snap Appliance, he worked at several venture capital backed start-up companies, leading several to successful acquisitions. Early in his career, Clark held executive sales and marketing roles at IBM; post business school he was an investment banker at Goldman Sachs and Merrill Lynch, where he was instrumental in many successful technology transactions.
He is a member of the board of directors for PrintRoom and Tactical Survey Group, and also serves as a trustee at the Oakland Museum of California. Clark holds a bachelor’s degree in economics from the University of the Pacific, and a master’s degree in business administration from Harvard Business School.
Tom is a partner at City Light Capital. He is a member of the Boards of ShotSpotter Technology (Newark, CA) and Heartland Steel Products (Marysville, MI). After 26 years of growing and leading two Michigan companies in the safety and security area, Tom is now the Chairman of the Board of Minimax-Viking, a major fire protection systems company based in Hamburg, Germany. He also is the principal of his family office, Tyden Ventures, and is dedicated to spreading the concept of impact investing among private investors.
Service activities include the Deming Center for Productivity at Columbia Business School, the Cornell University Council, and cofounder of The ImPact Society, a non-profit dedicated to promotion of impact investing among private investors. He was a board member of the National Fire Protection Association and has served in various leadership positions in Michigan, including the Salvation Army of West Michigan, public K-12 school boards, and the Southwest Michigan Land Conservancy.
He is married to his wife of 32 years, Lisa, and they have two children in their twenties. Tom grew up in Hastings, MI and is a graduate of Cornell University and Columbia Business School.
Randy focuses on security solutions for both the digital and physical domains at Claremont Creek Ventures (CCV). His years as Executive Vice President/COO and Director at Identix are the foundation of his interest in this area of investment. Randy’s strong background in IT includes serving as CEO and Director of Captiva Software, various senior management positions at Texas Instruments, ITT Information Systems and Sr. VP at AT&T Paradyne. He has also held directorships at Clairvoyant Software, Hipbone Software, Inapac, Invivodata, Flytecomm, View Central and Be Here. Currently Randy holds a board seat at three of CCV's portfolio companies.
Randy earned a BSEE from University of Arkansas and has completed the Stanford University Executive Management Program. He serves as the Venture Committee Chair for Keiretsu Forum.
Gary Lauder is the Managing Director of Lauder Partners LLC, a Silicon Valley-based venture capital firm investing primarily in information technologies. He has been a venture capitalist since 1985, investing in over 80 private companies. He is also Chairman of ActiveVideo Networks. Other directorships: OnLive, net2tv, Promptu, MediaFriends and ShotSpotter. Investments are primarily in television/IPTV technology and WWW arenas. In the 1980's, he worked at the venture firms of Aetna, Jacobs & Ramo Technology Ventures, as well as Wolfensohn Associates. He holds a BA in International Relations from the University of Pennsylvania; a BS in Economics from the Wharton School; and an MBA from the Stanford Graduate School of Business. He is the co-creator of the Aspen Institute's Socrates Society with Laura, his wife. He is a member of the inaugural class of the Aspen Institute's Henry Crown Fellowship Program. He has had a working cable modem (usually) in his home since 1994. He is co-inventor of 12 patents, has spoken at over 100 industry forums, and, since 1992, has published several articles about the future of the cable industry...that he still stands by.
Pascal is the founder and Managing Partner of Levensohn Venture Partners (LVP) and the CEO of Generation Strategic Advisors LLC (GSA); he has held both positions since 1996. Pascal joined Dolby Family Ventures, L.P. as a Managing Director in 2014 after advising the Dolby family on its direct technology investment portfolio since 2012. Pascal has transitioned his new technology venture capital investing activities to the Dolby family organization.
Pascal was elected to the board of the National Venture Capital Association (NVCA) from April 2007-April 2011, during which he chaired the NVCA’s education committee for three years; he is a faculty member of the Kauffman Fellows Program Center for Venture Education (2006-present) where he teaches best practices for VC-backed company board members.
Pascal has served as board chairman, audit committee chairman, compensation committee chairman, and board secretary for venture-backed companies since 1996 and as a public company director since 1993. In addition to serving as chairman on the ShotSpotter board, he is a co-founder and director of LittleCast, Inc. and currently on the boards of Akros Silicon, Tandent Vision Science, and Highview Healthcare.
Pascal holds an AB in Government, cum laude, from Harvard University. He is a life member of the Council on Foreign Relations, a former co-chairman of the Socrates Society Forum of the Aspen Institute (2007-2009), and a former Chairman of the San Francisco Jewish Community Federation’s Business Leadership Council (2007-2008).
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You can make the world a safer place. We do every day.
ShotSpotter employees develop bright ideas. We are innovators, problem solvers, and creative thinkers who believe that good people and good technology can pave the way to a brighter future for all. We're passionate about the work we do to help public safety and security.
- Director of Customer & Technical Support
- Incident Review Center (IRC) Operator
- Contracting/Consulting .NET/C# Engineer
- L1 Technical Support Engineer (Part Time)
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