We are one team.

Meet Our Execs

These people know how to get sh*t done

Janet Dryer

Chief Executive Officer

As the CEO of Perforce Software, Janet is responsible for leading the company and executing its mission to serve its customers. Prior to joining Perforce, she was the CEO of the HelpSystems family of companies. During her tenure as CEO, HelpSystems increased sales from $19M to $110M, completed 14 acquisitions and grew to more than 280 employees in 13 locations worldwide. Over 55,000 installations of the software are currently in use.

Janet holds a B.S. in Business Administration from the College of St. Benedict.


Mark Ties

Chief Financial Officer

Mark brings twenty-eight years of experience in accounting, finance, operations and mergers & acquisitions, having served the last eighteen years as CFO and COO for public and private equity backed technology companies. His most recent positions include CFO/COO of private equity backed HelpSystems, Inc., and CFO at publicly held Xata/XRS Corporation. Mark worked with the management team and investors to double the size of HelpSystems while also managing the organization through eleven acquisitions and two successful sales of the company. He holds a B.S. in Accounting from Minnesota State Mankato and is a Certified Public Accountant.

Chris Dobbrow

Vice President of Strategy and Key Accounts

Chris brings over 25 years of experience in technology, including 15 years in senior management where he created & executed revenue strategies focused on major global accounts. Prior to joining Perforce, Chris was VP of WW Sales at SourceForge, where he successfully transformed the sales strategy for the largest global repository of open source software. He spent over a decade at technology marketing & media specialist Ziff Davis, Inc., where served as SVP Group Publisher and EVP Corporate Sales. Chris holds a B. S. Degree from the University of Hampshire’s Whittemore School of Business and Economics.


Tony Smith

Vice President of Engineering

Tony has more than 25 years of experience in the software industry. Over the course of his 15 year career at Perforce, he has built and developed high-performing teams across Development, Technical Support and IT. Tony has made significant contributions to Perforce’s products, both as the sole developer of various components and as the architect behind key projects. While he’s still a software developer at heart, Tony now leads Perforce's world-class engineering team and oversees the development of our product.

Steve Jezierski

Vice President of Sales

Steve has over 20 years of sales and sales leadership experience in the IT industry. Most notably, Steve has demonstrated significant success at various software companies driving a demand generation strategy within the sales organization that works closely with the marketing team to leverage leads generated and drive more pipeline from marketing program investment. Before joining Perforce, Steve was with Minneapolis-based software company, Code 42, as Director of Sales. He has also held sales leadership roles at several other technology companies including Dell, Compellent Technologies, and Verizon Business.


Colleen Kulhanek

Vice President of Marketing

Colleen has over 25 years of experience in marketing leadership roles at both early stage and established companies in IT systems management, security, and networking industries. Before joining Perforce, Colleen was the VP of Marketing at Calabrio, a leader in call center software. Prior to that, Colleen held marketing leadership positions at technology companies including HelpSystems, Preventice, Red Lambda, Shavlik Technologies (now LANdesk), SafeNet (now Gemalto), and Secure Computing (now Intel). Colleen holds a B.S. in Business Administration from the University of Minnesota’s Carlson School of Management.

Brian Holsten

Vice President of Human Resources

Brian has over 25 years of Human Resources experience with more than 15 years in HR leadership roles. Brian’s industry experience is varied, ranging from Hi-Tech, Med Device, Financial Services and Insurance. Prior to joining Perforce, Brian led global HR functions that served rapidly growing software companies in both publicly traded and privately held environments. This has included creative leadership overseeing talent acquisition, total rewards, employee engagement and performance, M&A, HR technology and global payroll. Brian holds a B.S. in Business Administration from the University of Minnesota’s Carlson School of Management, as well as an M.S. in Organization Management and Human Resources from Capella University. Brian achieved his SPHR certification in 1999 and holds a SHRM-SCP designation.