Management Team


Mark Liss – President

Mark graduated from Adams State College in Colorado with a Bachelor of Science degree in Accounting. Shortly thereafter Mark earned his Certified Public Accounting (CPA) designation while working for the public accounting firm Touche Ross. Upon leaving public accounting, Mark worked as the controller for a two different construction companies – first in Colorado and then in Arizona. He was also part owner of a construction company for several years.

Mark joined Explorer Software in November 2009 as the Director of Construction Solutions. He immediately became involved in the direction of the software and has worked hard to ensure the needs of our contractors are being met. Mark has spent much of his time on the road visiting with customers, keeping the lines of communication open and assisting in product demonstrations. Active involvement in various professional construction organizations has helped him stay on top of the changing environment. In June 2014, Mark was appointed President of the Explorer Software Group. He oversees the Contract Manager, Pivot, Versyss, TCMS, ezDocs, TrueLine, and Shafers products.

Steve Maughan – Director, Information Technology

With over 20 years of experience in leadership and technology, Steve has brought a level of technological expertise that has helped keep Explorer at the forefront of IT best practices. His career prior to Explorer, started after he obtained his Bachelor of Computer Science in Technical Project Management degree. Today, Steve serves as the Director of Information Technology for Explorer and is responsible for North American and South American IT operations.

Elle Shum – Director, Marketing

Elle has a Bachelor’s degree in Business Administration from Simon Fraser University and has been with Explorer Software since 2004. During that time, she has worked in a variety of areas within the organization, including Operations and Human Resources. Today, she oversees Explorer Software’s marketing efforts, including company communication, public relations, and events. She works closely with the sales team on lead generation and business development and is passionate about helping customers and staff.

Persis Ahrestani – Director, Finance

Persis was designated a Certified General Accountant in 2008 and graduated from the University of British Columbia with a Bachelor of Science in Pharmacology and a Diploma in Accounting. During her college years she acquired numerous awards including the University of British Columbia Science Scholar award, Governor General’s Academic Medal, and Youth Recognition Award for District of North Vancouver.

Prior to joining Explorer, she worked for several boutique Chartered Account firms. Persis has a passion for teaching and is involved in academia at both the University of British Columbia and the CGA Association of BC. She joined the Explorer team in September 2012 and now serves as the Director of Finance for North America.

Sam Lacy – Director, Support

Sam has over twenty five years of service in all facets of Construction Software and Technology. He joined Explorer Software in 2007, when Explorer acquired TSC Solutions. Sam has extensive leadership and field level experience. He has been involved in large scale software implementations, and various software development initiatives. Today, he is responsible for customer support at Explorer Software. He is diligent and passionate about our products and our customers.

Sally Felgnar – Director, Professional Services

Sally achieved her CGA (Certified General Accountant) designation in 1987. Early work experience included positions from Project Accountant to Controller for 7-Eleven (Corporate, Canada), First City Developments and Cross Developments. She joined The Conac Group in 1997, where she gained extensive experience in product development, systems design, testing, implementation, training and documentation. In 2003, Sally joined a local distributor of Timberline software, where she was involved in client consultation, implementation and custom report writing.

Sally came to Explorer Software Group in September 2004 as a Systems Support Specialist. She provided pre-sales support, including RFP analysis and response, product demonstrations of Explorer Contract Manager and Pivot, and helped to develop a sales and demonstration database. She has since been involved with direct customer support, Quality Assurance, testing and documentation, and served several years as Operations Controller.

Today, Sally is the Director of Professional Services, providing direction and support to Explorer’s training and implementation teams. Sally is an important member of the Explorer management team.