Our Team

Our team is committed to customer satisfaction. We are able to consult and develop strategic plans for your telecommunication needs through our in-depth, consultative processes.

Dave Callahan President dave@cal-tech-telephones.com (402) 330-3970, ext. 101   Dave founded Cal-Tech & Associates, Inc. in 1988. He has over 30 years in the telecommunication industry. Dave is an ex-Bell System and AT&T manager that understands all aspects of the telephone industry, from basic telephone service to T1, PRI and VoIP networking. Along with being certified in the WIN product line, Dave has extensive knowledge and understanding of the AVAYA product line! Credentials: WIN Certified

John Harvey General Manager ops@cal-tech-telephones.com (402) 330-3970, ext. 117  Credentials: John has over 30 years of experience in the telecommunication industry. John is an ex-Bell System US West Qwest manager, specializing in engineering and customer service. John understands all aspects of the telephone industry, from basic telephone service to T1 and PRI networking. Along with the WIN product line, he has working knowledge of most telephone systems.

Rich Kesterson Sales Consultant (402) 330-3970, ext. 104

Thomas A. Beda Lead Technician (402) 330-3970   Tom has over 30 years of experience in the telecom industry. He has installed some of the largest telephone systems in the area. Credentials: WIN Certified, Avaya Certified, Nortel Certified, Executone Certified and others, FCC General Radiotelephone Operator License.

Rod Hogg Lead Technician (402) 330-3970   Rod has over 10 years of certified telecom experience.   Credentials: WIN Certified

Linda Callahan Wire Technician (402) 330-3970   Credentials: Suttle Certified; Hellerman Titon Certified.