About Us

The goal of iSOFT Systems, LLC is to develop long-term relationships with our customers by providing professional, competent and courteous service.  We strive to increase efficiency in our customer’s information systems and personnel with a commitment to honesty, integrity, and quality.  Our staff enjoys a positive, motivating, and team-oriented work environment which provides an opportunity for learning and personal growth.

Our Staff

With a fervent passion for computer programming and an entrepreneurial spirit, Lisa founded iSOFT Systems, LLC in 1990 to provide excellent quality modification and support services to the AccountMate community.

Lisa Irvin


Rita graduated with a degree in Computer Science from Beijing  University of Technology and worked for AccountMate Software Corporation for several years.  In 2011, she joined iSOFT Systems and is the lead AccountMate programmer and AMmobile backend developer.

Rita Fu


Jean has an Associate Degree in Accounting and has been working in governmental accounting for fourteen years. Prior to that, she worked with AccountMate as an End User for twelve years. She joined iSOFT Systems in 2016.

Jean Belinsky

Technical/Accounting Support

After graduating from California Polytechnic University, Pomona with a degree in Computer Information Systems and a background in iOS development, Shawn joined iSOFT Systems in 2012 to head up the mobile development department and the creation our flagship product, AMmobile.

Shawn Irvin

Vice President

Yvonne joined iSOFT Systems in 2015 with an Accounting degree and 15 years of experience owning her own business selling and supporting AccountMate and related software and hardware.  She enhances our team with her great enthusiasm and vast business, accounting and software expertise.

Yvonne Wensloff

Business Software Specialist

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