About KnowledgeLink, Inc.

The KnowledgeLink, Inc staff includes both technical subject matter expert (SME) instructors and instructional support personnel.  Our typical technical SME possesses over a quarter century of experience in a career with a major carrier or vendor in the telecommunications industry.   Similarly, our instructional support personnel possess practical instructional design, performance management, and communications skills required to deliver high quality learning and communications tools.

Our technical SME instructors are managed by our President and Senior Instructor, Justin J. Junkus. 

KnowledgeLink, Inc. customers include major participants in the telecommunications industry. We have developed and delivered projects for:

Management Biographies

Justin J. Junkus (Jay)

Jay Junkus is the President and founder of KnowledgeLink, Inc.   He is a senior member of the Society of Telecommunications Engineers (SCTE). Jay’s educational background includes an MBA from Loyola University, and a Bachelor of Science Degree in Engineering from the University of Illinois at Chicago.  He has held adjunct faculty positions at DePaul University (Computer Science - Telecommunications), DeVry Institute of Technology, and the College of DuPage (Data Communications).  Jay is the author of DigiPoints, The Digital Knowledge Handbook, (Vol.1), a text on data communications published by the Society of Cable Telecommunications Engineers.  His other publications include the monthly Telephony column  in Communications Technology magazine, DigiPoints, The Digital Knowledge Handbook, (Vol. 2) covering digital cable system equipment, and Cable Telephony in North America, a technology and market report for Phillips Business Information LLC.

Prior to starting KnowledgeLink, Jay enjoyed a 25 year career at the original AT&T and its associated Bell System companies, with positions in product management, marketing, engineering, and sales.  Jay also served as Director, Applications Engineering, for ARRIS, from 2000 - 2002.

Since starting KnowledgeLink in 1993, Jay has trained thousands of technical personnel in telephony and data communications, and published numerous articles that discuss digital technology applications in telecommunications systems. He has been a consultant and trainer to all of the major cable company multiple system operators (MSOs) and communications equipment vendors, and has done extensive work for the Society of Cable Telecommunications Engineers (SCTE).  He developed one of the first SCTE data communications courses for SCTE data training and certification, has taught numerous SCTE courses in communications theory, installation, and applications, and was the lead consultant to Jones/NCTI for their "IP Voice" course.

Currently, Jay spends his time researching emerging technologies such as 5G and automated vehicle systems, developing and delivering understandable training courses on leading edge technologies, and performing strategic analysis of product and services fit to broadband service provider needs.