The Chamberlain Group, Inc. has appointed David Mack as general manager of its wholly owned subsidiary, PTI Integrated Systems of Scottsdale, Arizona. In his new role, he will be responsible for overseeing all company operations, as well as developing new strategies for future growth.

"Dave has made outstanding contributions during his time at Chamberlain, and we look forward to him bringing that same level of expertise and leadership to PTI Integrated Systems," said Chamberlain Executive Vice President of Sales and Marketing Bob Markwart.

Mack, 39, most recently served as director of advanced development at Chamberlain where he was responsible for the company's new product initiatives and innovation process. Prior to joining Chamberlain, he held engineering and product management positions at System Sensor and Life Fitness, a division of Brunswick. Dave received a BS in Electrical Engineering from Northern Illinois University and an MBA with distinction from Northwestern's Kellogg School of Management with majors in Marketing, Strategy, and Finance.

Acquired by Chamberlain in October 2007, PTI Integrated Systems is a leading developer and manufacturer of delivering complete solutions for access control, security and site management to customers worldwide. PTI provides hardware and software solutions to targeted industries. Self-storage customers recognize PTI's Falcon controllers, APEX and VP keypads, coupled with TaskMaster Management software, as complete end to end solutions to integrate the latest technology of access control, security, management software, video integration, wireless and TCP/IP into their solutions.