About SIS

Founded in 1996, SIS (Strategic Industry Solutions) is a Microsoft Gold Certified Partner providing and implementing financial and operational software for Contracting and Professional Services focused companies.

We continue to develop and deliver ERP, CRM, and PM solutions for project and service oriented companies today, with an emphasis on ease of use and flexibility while meeting Industry functional requirements. From planning and discovery to design and implementation, and then to training and support, we are committed to surpass our customers’ expectations at every step.

Our team members are the best in the business, with an average of 20 years of experience, deep technical expertise and industry-specific best practices. SIS has on its staff partners and developers who hold Mechanical Engineering and Computer Science degrees, implementation consultants who are also certified CPAs and Masters in Business, customer care representatives who are also trained as accountants, and salespeople who have previously owned and operated their own software businesses. Everyone at SIS understands key business concepts as well as the business of implementing Microsoft Dynamics solutions to help improve our customers’ organizational performance.

SIS Total Solution product offering is the most complete solution in the A/E/C – Professional Service market today, providing customer’s peace of mind that they will not have to replace or add additional software solutions to meet their business requirements down the road.

SIS is a member of Microsoft’s Partner and Product Advisory Boards, and the recipient of numerous Microsoft awards for excellence in performance and customer implementations, including Partner of the Year. SIS Software has offices in Atlanta, Dallas, Houston, San Diego, and Pittsburgh.

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1996 Year

300+ Implementations Completed

30+ Industry

2 Microsoft Partner
of The Year Awards

SIS Core Values


  • Follow company’s goals
  • Own a part of strategy execution
  • Proactively contribute to organization improvement initiatives
  • Cooperate with peers to achieve growth and profitability
  • Create solutions where company and customer win
  • Willingly share your expertise with others

Customer Service

  • Deliver exceptional service and experience for our customers
  • Make your commitments, meetings and deadlines a priority
  • Be responsible and accountable for outcomes and outputs
  • Have a customer for life mentality
  • Efficiently Communicate with customer
  • Be focused, strategic, and thorough on your budgets and deliverables

Care Factor

  • Subscribe to the highest professional standards
  • Constantly grow your knowledge
  • Take ownership of your area
  • Be open to new ideas and the desire to keep improving
  • Communicate openly and honestly
  • Put your ego behind

SIS Leadership Team

Mark Kershteyn – Partner

Mark has an extensive background in Enterprise Software Systems development and implementation.

His 20 years of experience ranges from an eight-year tenure in Fortune 500 companies such as GTE Cellular and EDS managing large-scale mainframe based implementation and software development projects, to smaller client-server implementations involving the Microsoft Dynamics SL family of software solutions. As a Senior Consultant for SIS, Mark provides implementation consulting and project management services. His technical background coupled with project management expertise makes him very effective at delivering full-scale implementation projects. Mark has a Bachelor of Science, Information & Computer Science degree from Georgia Institute of Technology.

Steven Mulka – Partner

Steven is the SharePoint Product Manager and is responsible for working with clients to provide practical and proven solutions to meet their business computing requirements.

His 20+ years of experience include all aspects of designing, implementing, supporting and troubleshooting complicated network infrastructures and applications. Rounding out his experience is a thorough understanding of the impact that information technology can provide towards increasing the efficiency and compositeness of a business. Steven received a Bachelor of Science, Mechanical Engineering from Michigan Technological University.

Ravi Kannan – Partner

Ravi has over 35 years’ experience in Executive Management, Consulting, Large Scale Enterprise Systems Implementation, Systems Design and Systems Development.

His experience has enabled SIS to add significant value in our consulting engagements. Ravi received his Bachelor of Science (Electrical Engineering) and Masters of Science (Industrial Management) from The Indian Institute of Technology, Madras, India.

Viktor LesivVice President Professional Services

Viktor is a global services delivery expert with over 17 years of Microsoft Dynamics 365 (AX) experience.

He is responsible for the overall operations leadership and Dynamics 365 solution delivery across our organization.  Viktor’s deep expertise is in leading operations and services to deliver successful and referenceable ERP and CRM customer implementations. He is instrumental in substantially growing ERP practices,  expanding their services capabilities and standardizing methodology and tools for Services Delivery.  Viktor is a graduate of Kyiv National University, Cybernetics faculty. Master of Social Informatics.

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