Meet the Family

Our experts dedicated to providing you world-class service

Robert Yerger BSGI CEO

Robert Yerger


I started BSGI in 1982 after working 17+ years at Simplex Time Recorder Co. serving as a Customer Service Representative, Salesman, Branch Manager, and Regional Sales Manager. I attained an Associate Degree in Electrical Engineering from Penn State in 1962. I married Betsy, my high school sweetheart, in 1962 and had two children, Chris and Beth. I enjoy golf, baseball/softball games, hunting, fishing, and our 145 acre farm in Huntington County, PA, where hard work is fun. My passion in business is watching and contributing to employees’ growth and success in their careers. Their success equates to happy customers and growth and success for the company.

Beth Hahn BSGI President

Beth Hahn


I started Secure-A-Home, Inc. in 1988 after graduating from Shippensburg University with a degree in Marketing. I am a graduate of Governor Mifflin High School and was born and raised in Berks County. I have been married to a wonderful husband and father for the last 24 years and am the mother of 3 children – Matthew, Alex, and Leah. In the beginning of 2016, I moved into the position of President of BSGI after working alongside of my father and husband for 28 years as the president of SAH, Inc. In my free time, I enjoy spending time with my family and our dog. My favorite hobby is redecorating our home.

Mark Salen BSGI Vice President

Mark Salen

Vice President

I was born and raised in Berks County and graduated from Schuylkill Valley, where I still reside. I have a BSBA in Marketing from Bloomsburg University and an MBA in Finance from St. Joseph University. I am a partner in BSGI and Salen Yerger Associates and have been involved with the company for over 30 years. I am NICET IV certified and a member of NFPA and ASIS. I treasure spending time with Jill, my daughter Shyanne, and the rest of my family and friends. We relish the outdoors and getting away from the everyday hustle and bustle. I enjoy all sports, dogs, being productive, and have a passion for learning and helping others.

Kerry Delewski Communications Division Manager

Kerry Delewski

Communications Division Manager

Soundtronics Service Company was acquired by BSGI in 1992. I was the sole proprietor of Soundtronics, a commercial A-V and communications company that was formed in 1982. I started in the commercial sound and video industry in 1972. I’m proud of the fact that two of my Soundtronics’ employees also have continued their successful careers as members of the BSGI family. My wife and I have been blessed with two great children and they now have families of their own… so we have lots of grand-kids to keep us active. In addition to “family time,” I bicycle, occasionally golf, and play the Native American Flute for relaxation.

Joe Hnatishion BSGI CFO

Joe Hnatishion


I was born and raised in Berks County. I’m a graduate of Muhlenberg High School and Pennsylvania State University, with a BS in Professional Accountancy. I started my accounting career with a regional accounting firm in 1991 and have worked for companies ranging in size from family business to Fortune 500 companies. I joined BSGI in the summer of 2015 and look forward to its continued growth through organic market share and acquisition opportunities. When I’m not working, you will find me spending family time with my wife, Melanie, and son, Nathan. I enjoy golfing, cycling and fly fishing. I am also involved in the following organizations… Berks Nature, Sacred Heart School, Reading Public Museum and Penn State Berks.

Sales Manager

Mike Cirulli

Sales Manager

Soon after graduating from Penn State University, I started working for BSGI in their residential division. I spent the majority of my first 9 months working in the field in order to learn the intricate details of security and fire alarm systems. 21 years later, I serve as BSGI’s Sales Manager, a position I’ve held since April 2011. I’ve been married to my wife, Kate, for 15 years and have 2 boys that keep me very busy. I enjoy mountain biking, fishing and coaching baseball in my spare time.

Dave Martini BSGI Operations Manager

Dave Martini

Operations Manager

Originally born and raised in the Pittsburgh, PA area, I relocated to Eastern PA in 2007 with my beautiful wife and 3 children to work for Vistacom, Inc. I have an AS degree in Electronics and a graduate of Geneva College with a BSHRM. I have an extensive hands-on background in low voltage Security/Intrusion/Video Surveillance/AV/ and Access systems, previously working for Mosler, Inc., Diebold, Inc., CTR Systems, Inc. and consulted for the business security industry for more than 20 years in addition to managing and developing operations for such services. I am a lifetime musician, watch all kinds of sports and enjoy throwing horse shoes with a cold beverage in my backyard.

Service Center Manager (York)

Jeff Neiderer

Service Center Manager (York)

I started with BSGI in 1997 as a service technician and opened our service center office in York, Pa in 1999. When I started, my duties included Sales, Service, and Inspections. We now have two technicians, Project manager and engineering department. I’ve been married to my wife, Janie, for 31 years and have a son, daughter, and two grandsons.

Charlie Miriello Service Center Manager (State College)

Charlie Miriello

Service Center Manager (State College)

I grew up in the heart of the coal region in Marion Heights, Pennsylvania. I am a graduate of Mt. Carmel Area High School and Penn State University with an Associate Degree in Electrical Engineering Technology. I had a brief job as an electronics technician for Amp Inc. before working as a construction electrician. In 1991 I started my career in the fire alarm industry as a service technician and my responsibilities quickly grew to programming, design, project management, sales and business management. I joined the BSGI team in 2011.

Jack Henry BSGI Procurement Inv Supervisor

Jack Henry

Procurement – Inventory Supervisor

I was born and raised in Delaware County, Pennsylvania. After I graduated the University of Delaware, I started my career in the telecommunications business in Wilmington, Delaware. In 1986, my telecommunications career brought my wife and I to Berks County where we raised two children. After 34 years in the phone business, I decided to make a change and joined the BSGI team in October 2015. I feel very fortunate to be able to help guide BSGI grow into the premier professional protection and communication systems company in Pennsylvania. Outside of work, I enjoy spending time with my family in South Jersey, salt water fishing, and golfing.

Mike Miller BSGI Network Administrator

Mike Miller

Network Administrator

I was hired by BSGI in May 2007. I have 20 years of experience in supporting IT Systems, and over 35 years of Customer Support/Service experience in total. I support BSGI internal IT systems, as well as our customers’ systems, supplied with the Life Safety products we install and service for them. I currently live in northern Berks County with my wife and two sons. I enjoy spending time with family and friends, traveling, and getting lost on my motorcycle.

Tom Wert BSGI Engineering Supervisor

Tom Wert

Engineering Supervisor

I started with BSGI in the summer of 1992, a year after receiving a BS degree in Electrical Engineering from Drexel University. Starting out as a technician, I have had the opportunity to grow with BSGI in various positions, including IT Administration, Technical Support, and Service Manager. I spent a few valuable years learning Electrical Construction and understanding Business and Project Management. I returned to BSGI to assist in the development of their new, custom Company Software, and implementing it into the Service Department as its Supervisor. All of this has led to my current position in the Engineering Department. My experience has helped me develop an appreciation for the various positions within our company, how they interact, rely on each other, and how all our customers are supported in each stage. My wife and I live in Exeter Township with our 2 children and rescue dog.

Judy Weidner BSGI HR/Payroll Supervisor

Judy Weidner

HR/Payroll Supervisor

My career at BSGI began in 1997 processing payroll for only 33 employees. I now enjoy working with all employees in the Human Resource arena as well as payroll and benefits. My husband, Ray, and I enjoy spending time with our family which includes 8 grandchildren. I also enjoy working in my flower garden and playing piano.

Scott Mell BSGI Inspection Supervisor

Scott Mell

Inspection Supervisor

I was born and raised in Berks County and currently live in Alsace Township with my wife of 28 years. I was educated at Lincoln Technical School in Allentown and since have been successfully engaged in the Fire Alarm industry for over 15 years, starting as a service technician. In addition to my years of experience, I also hold a NICET 3 certification in Fire Alarm System Technology. In my free time I enjoy cooking for and spending time with our 2 children & 3 grandchildren. We have also recently been blessed with the addition of 2 great grandchildren who provide even more joy in our lives. When I’m not working or spending time with my family, I enjoy traveling and collecting old books.

Christian Statler CCTV Access Supervisor

Christian Statler

CCTV/Access Supervisor

I was born and raised in the Easton Area. I started my career with BSGI in April 2002. I worked as a technician until 2015 when I accepted my current position as the Access/CCTV Supervisor. I currently reside in the Bethlehem area. I have been married for 15 years and I have 2 daughters. In my spare time I love to camp and play my guitar.

Jeremy Zettlemoyer Installation Supervisor

Jeremy Zettlemoyer

Installation Supervisor

I was born and raised in the Reading, PA area and currently reside in the northern part of PA, outside of Hazleton. I have one daughter who loves to keep me busy with her passion for softball. In my spare time, I enjoy camping, fishing and exploring the outdoors. I came to BSGI back in 2007 as a licensed electrician with a lot of experience performing installations. I have spent almost 9 years in the installation field working with various types of systems that BSGI has to offer to our customers. I’m excited to continue to grow with the company as we strive to provide our customers with world class service.

Rodney Nussbaum Sprinkler Supervisor

Rodney Nussbaum

Sprinkler Supervisor

I was raised and still reside in northern Lancaster County, just outside of Reading. I started in the fire sprinkler industry in 2003. The following year, I married my wife and we have 4 children. In 2010, I became a project manager/estimator. I joined the BSGI team as the Sprinkler Manager in March of 2016. In my leisurely time, you will find me with my family, hunting, fishing or riding my motorcycle.