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Our Management Team

Mark Liss
Mark LissPresident
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 Eclipse, Pivot, Versyss, TCMS, ezDocs, TrueLine, and Shafers products.

Steve Maughan
Steve MaughanDirector, 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
Elle ShumDirector, 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
Persis AhrestaniDirector, 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.