Our Team

Pemberton-Davis's team consists of qualified managers, project managers, electricians, and foremen with a broad base of project experience in a variety of markets. Following is a summary of the principal management team to help you make a solid, confident decision that Pemberton-Davis is the right company for your next project:

John Ferro


Ferro graduated from Purdue University with a BS in Mechanical Engineering Technology and from Indiana University with a Master's in Business Administration. He has worked previously for Martell Electric, LLC, and Trans Tech Electric, LP. John has over 25 years of experience in operations management, thirteen of those years in heavy highway electrical and telecommunications infrastructure installations.


Len Jablonski

Vice President

Jablonski has 37 years' experience in telecommunications design, repair and installation. He is Systimax Structured Connectivity Solutions/Design Engineer certified, as well as Leviton Certified in Structured Cabling & Fiber Optics. He brings experience in copper and fiber systems, voice and data projects, and designing and estimating knowledge to every project.


Doug Grall

Safety Director

Grall has been with Pemberton-Davis since 2006. He has 25 years' experience beginning as a field electrician, foreman, and superintendent on a variety of construction projects. He studied for five years with the Joint Apprenticeship and Training Committee in South Bend and surrounding areas. He holds Class A contractor or electrician licenses in South Bend and St. Joseph County, the cities of Mishawaka, Elkhart, Indianapolis, and the state of Michigan. Doug has several certifications, including the Systimax SCS Installation & Maintenance Certification.

Mark Zuccarini

Senior Project Manager, Telecommunications

Zuccarini has been with Pemberton-Davis since 2006. He has 24 years' experience in telecommunications installation and project management. Mark has supervised cabling crews and telephone system installations. He combines this with his 15 years' experience in project management and his various certifications to effectively manage projects to clients' satisfaction.


Scott Bradley RCDD

Senior Project Manager, Electrical and Telecommunications

Bradley graduated from the BICSI RCDD program in 1998 becoming a registered communication distribution designer. Scott has over 22 years of experience in the electrical and telecommunications industry in installation, project management & design. He is a licensed electrician in the state of Michigan, as well as a certified Corning fiber optic design specialist and has a strong background in card access and CCTV. Scott has managed a wide variety of projects including the Elkhart County Correctional Facility, St. Joe Regional Medical Center, Bremen Hospital, the Kroc Center as well as many local school projects. Scott has also done numerous technology infrastructure designs incorporating the latest in copper and fiber optic implementation.


Tanner Leibovitz

Estimator/Project Manager – Traffic

Tanner began his career as a Laborer with Trans Tech Electric in 1997 working on a crew installing various traffic signal, roadway lighting, and signing systems in Indiana and Michigan. Through that broad base of experience, he elevated his level of responsibility having advanced through to crew foreman, and eventually project manager and estimator on similar types of projects. He joined the Pemberton Davis team in early 2013, and is the lead Project Manager for our Traffic Division.


Chris Vascil

Electrical Services Manager

Bio forthcoming.


Mike Taff

Project Manager

Mike has four years of experience estimating the electrical portions of a variety of construction projects. Projects in which he has been personally involved include the Notre Dame Hockey Arena, the Silver Beach Carousel Museum, and the South Bend Waste Water Treatment Plant infrastructure improvements, among many others. Mike has a degree from Indiana University in Public Management and seven years of field experience as an IBEW electrician making him uniquely qualified in our business.