Management Team

John Slusser

John M. Slusser

John M. Slusser, a founder of the Company, has served as President and CEO since January 2007, after serving as interim President and CEO since October 2006, Chairman of the Board of Directors since June 2001, as a director since our formation in 1981 and as Chief Strategic Officer from January 2003 to May 2005. From 1981 through 1995, he held various positions within the Company, including President and Chief Executive Officer. From 1995 until 2000, he served as Chairman of the Board of InformationView Solutions Corporation and from 1995 to 1999 he served as that company’s Chief Executive Officer. Since 2000, he has served as President of Radio Daze LLC, a vintage electronics company. Prior to founding the Company, Mr. Slusser held various positions at Computer Consoles, Inc. (now a division of Nortel Networks). Mr. Slusser holds a BSEE degree from Rochester Institute of Technology.
Dorrance Lamb

Dorrance W. Lamb

Dorrance W. Lamb has served as Senior Vice President and Chief Financial Officer since November 2005, and served as Chief Financial Officer of the Company since April 1995. From August 1992 to October 2005 he held the position of Vice President of Finance. Prior to joining the Company, he was Senior Vice President for Finance and Administration at Infodata Systems, Inc. based in Fairfax, Virginia. Mr. Lamb is a certified public accountant and holds a BS in accounting from Benjamin Franklin University.
J. Patrick Patt Rice

J. Patrick "Patt" Rice

J. Patrick "Patt" Rice has served as Senior Vice President, Sales, Marketing, and Service since March 2009. Previously, Mr. Rice served as Vice President and General Manager - Signaling Systems Group since January 2007. Prior to that appointment, he served as Vice President of Worldwide Signaling Sales and Marketing since joining the Company in June 2006. From 2005 to 2006, Mr. Rice was an independent sales consultant for the telecom equipment industry. Mr. Rice held key senior positions at Tekelec for twelve years from 1992 to 2004, most recently serving as Vice President-Global Sales for Tekelec’s switching division. Prior to joining Tekelec, Mr. Rice held various engineering and sales positions with Nortel Networks. Throughout his career, Mr. Rice has served on various industry committees in both participative and leadership roles.
John Grana

John J. Grana

John J. Grana has served as Senior Vice President, Products and Technology since March 2009. Previously, Mr. Grana served as Senior Vice President and General Manager of the Embedded Systems Group from January 2007 to March 2009. From November 2005 to 2007, he served as Senior Vice President of Systems Engineering. From 2000 to 2005 he served as Vice President of Software Engineering. From 1997 to 2000, he held the position of Vice President and General Manager of the Controller Products Group. From 1994 to 1997, he held the position of Vice President of Software Engineering. From 1990 to 1994, he held the position of Technical Director of the Workstation Products business unit, and from 1986 to 1990, he served in various engineering positions. Prior to joining the Company, he held various engineering positions with Computer Consoles, Inc. (now a division of Nortel Networks). Mr. Grana holds a BS degree in computer science from Rochester Institute of Technology.
Application Gateway Core to Edge Topology Signaling Gateway SIP Bridge SIGTRAN Off load Advanced Routing SMS Security Network Monitoring Cap & Evolve Centralized Routing Protocol Networking PCRF Binding Topology Hiding Security Routing Segmentation Load Balancing Multiple HSS Routing Roam Steering PCI-PCI Express Wan Communication Radar/Sensor Data Distribution Multicast Payload Transport T1/E1/J1 Monitoring Signaling Gateway Signal Transfer Point Application Gateway Advanced Routing and Screening Element Management System Link Replacement Number Portability SIGTRAN SIP Signaling Bridge SMS Defense Signal Transfer Point (STP) Roam Steering IP Edge Point Code Emulation for Segway STPs Message Accounting Universal Diameter Router