{"id":101991,"date":"2024-12-09T21:24:04","date_gmt":"2024-12-10T02:24:04","guid":{"rendered":"https:\/\/sisn.com\/sis-llc-leadership-team\/"},"modified":"2026-01-06T12:29:24","modified_gmt":"2026-01-06T17:29:24","slug":"sis-llc-leadership-team","status":"publish","type":"page","link":"https:\/\/sisn.com\/en-gb\/sis-llc-leadership-team\/","title":{"rendered":"SIS LLC Leadership Team"},"content":{"rendered":"\t\t
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SIS Leadership Team<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Mark\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Mark Kershteyn<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Founding Partner<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Mark has an extensive background in Enterprise Software Systems development and implementation. His 30+ years of experience range 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 implementations involving Microsoft Dynamics family of software solutions. As a Managing Partner for SIS, Mark provides strategic leadership for the Company overall. His technical background coupled with his industry knowledge and executive skills prepared him to be very effective at driving SIS\u2019s success. Mark has a Bachelor of Science, Information & Computer Science degree from Georgia Institute of Technology.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Robert\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Steven Mulka<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Founding Partner<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Steven Mulka is a seasoned professional with over 35 years of experience in delivering financial and operational software solutions to project and service-based companies. As a partner at SIS, LLC, Steven has played a pivotal role in designing and architecting the SIS Construct 365 Field Service and Project Management solutions. These innovative tools are tailored to meet the complex needs of the construction industry, enabling companies to streamline processes, enhance efficiency, and boost productivity.<\/p>

Steven\u2019s in-depth understanding of the construction sector has been key to driving technological advancements that significantly improve both operational and financial performance for construction firms. His expertise lies in optimizing the project and field service lifecycles, from sales through closeout, ensuring smooth and effective operations across the industry.<\/p>

Currently, Steven is focused on integrating artificial intelligence into the SIS Construct series of solutions. His vision is to revolutionize how SIS\u2019s customers interact with and utilize these tools, ultimately leading to greater software adoption and increased productivity across the board.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Ravi Kannan<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Founding Partner<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Ravi has over 40 years\u2019 experience in Executive Management, Consulting, Large Scale Enterprise Systems Implementation, Systems Design and Systems Development. He is the Architect of core SIS Products C365 Project Cost Management, C365 Advanced Labor and C365 Field Operations and is currently responsible for Product Development. His experience has enabled SIS to add significant value in our offerings in the Construction Vertical. Ravi received his Bachelor of Science (Electrical Engineering) and Masters of Science (Industrial Management) from The Indian Institute of Technology, Madras, India.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Viktor Lesiv<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Vice President Professional Services<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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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\u2019s 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.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Katrina Kostes<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Vice President, Strategic Relationships<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Katrina Kostes is seasoned executive with a solid career in Management Consulting spanning 30+ years. During that time, she has successfully guided organizations through strategic transformational initiatives. By applying her broad expertise, Katrina has facilitated fundamental change and delivered significant results aligned with strategic objectives. Katrina\u2019s ability to connect with every level with an organization has gained her recognition and established a reputation of trusted advisor, agent of change and leader.<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Dana Clariett<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Senior Director, Application Delivery<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Dana Clariett is a Senior Director, Application Delivery, where she leads operational processes and supports critical business strategies by directing the implementation of our application systems. Dana has led ERP implementations of various sizes and in various industries. Her experience with program and project management, integration, testing, data migration and enhancements has been demonstrated time and time again. Dana is a global professional with a demonstrated ability to mitigate and resolve conflict while acting as an escalation point for project teams.<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Gary Bonuso<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Director, Industry Consulting<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Gary is a Senior Financial professional with over 13 years of experience implementing and using Microsoft Dynamics AX\/D365 in Construction\/Manufacturing organizations. Gary brings 20 years of experience working for three different Top 10 ENR Specialty Contractors to SIS. His background in Finance as well as significant exposure to Operations, Project Controls, SCM and HR\/Payroll give him a solid foundation of knowledge that our clients can leverage to insure successful implementation projects. He is a graduate of the University of Central Missouri with a BSBA Accounting Degree.<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Rick Crowley<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Director, Solution Engineer<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Rick leads the design and implementation of enterprise solutions for clients, leveraging both the Microsoft Business Application stack and the SIS Construct 365 Suite. As a skilled analytical thinker dedicated to enhancing process efficiency, Rick has engineered solutions for over 30 projects at SIS. With more than decade of experience in the Architecture, Engineering, and Construction industry, he possesses a deep understanding of the technological challenges organizations face. Rick holds a Bachelor\u2019s degree in Industrial and Systems Engineering with a concentration in Supply Chains from Georgia Tech, where he graduated with highest honors. Outside of work, he treasures time with his wife and their three young daughters.<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Chris Kouloukas<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Director, Business Development<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Chris is an executive with an extensive career in developing business relationships. He has over 30 years of leadership roles while scaling enterprises that supported B2B products. He deeply understands the customer\u2019s perspective and establishes a mutually beneficial environment that enables customers to achieve their short and long-term goals. His experience allows him to align sales motions with implementation success. Chris\u2019s value to the customer is not his technical prowess but the practical use of technology to help customers transform business operations and prepare for the future.<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Abeljohny Anandan<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Director, Product Engineering<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Abel is a transformative leader known for his strategic foresight and entrepreneurial spirit in guiding a portfolio of digital products built on the Microsoft technology stack. With over 18 years of experience in software engineering and enterprise architecture, he excels at harnessing technology and innovation to solve complex business challenges, align solutions with strategic objectives, and cultivate high-performing teams that shape the future of the digital landscape. Abel holds a bachelor\u2019s degree in computer science and engineering, alongside a Product Leader Certification (PLC) from Product School, APICS Certified Supply Chain Professional, and numerous certifications in Solution Architecture, Dynamics 365 Finance & Operations, and Microsoft Azure.<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Laurie Jimenez<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Laurie Jimenez has over 30 years of experience in the construction industry, specializing as an ERP consultant, project manager and functional delivery lead. Her clients have included general and specialty contractors, home builders, and property management organizations. Laurie excels in project management, particularly with ERP accounting software packages, business process improvement, and end-user curriculum development. She has extensive experience in implementing, testing, training, reporting, billing, and project change management. Laurie is currently the Solution Principal at SIS, LLC where she oversees the delivery of ERP solutions, ensuring successful project outcomes and client satisfaction. Laurie has been actively involved with the National Association of Women in Construction (NAWIC) at local, regional, and national levels. Additionally, Laurie holds several certifications, including PMP (Project Management Professional) from the Project Management Institute (PMI), Certified Accounting Consultant, Distinguished Toastmaster from Toastmasters International, and certifications in Dynamics 365 Finance Core and Dynamics 365 Financials.<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Sylvia\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Sylvia Adel<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Corporate Controller<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Sylvia has been with SIS since 2006 and rose from the ranks to become the Corporate Controller in mid-2018. She oversees and is highly involved in the day-to-day business financial operations. In addition, she is engaged in other activities outside the usual accounting tasks like Onboarding of the company\u2019s human resources, insurance, and compliance management, to name a few. Sylvia graduated with honors from the University of the East with a BSBA Major in Accounting in the Philippines. She also got her professional license as Certified Public Accountant. She is passionate about her work and wants to help SIS grow and be successful in her own way.<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\n\t\t\t\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Rudy\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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Chris Relihan<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Manager, HR<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Chris began his career in ERP recruitment, working for one of the largest Microsoft Technology Recruitment firms in the world. During that time, Chris played a integral role, as Vice President, in growing their Key Accounts Delivery Team, focused in servicing the Microsoft Partner Channel community. Having placed over 100+ Microsoft Dynamics AX\/D365 professionals and servicing over 30+ Microsoft Certified Partners, Chris established a knack for attracting the best and the brightest professionals in our space. Chris graduated as a Student Athlete with a Bachelor of Finance and concentration in Economics from Iona University and was a 4-year participant on their NCAA Division 1 Men\u2019s Soccer Team.<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

SIS Leadership Team Mark Kershteyn Founding Partner Mark has an extensive background in Enterprise Software Systems development and implementation. His 30+ years of experience range 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 implementations involving Microsoft Dynamics family of…<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-101991","page","type-page","status-publish","hentry"],"yoast_head":"\nSIS LLC Leadership Team | Construction ERP<\/title>\n<meta name=\"description\" content=\"SIS is the leading provider of Microsoft Dynamics 365 Enterprise Resource Planning (ERP), Project Management, and accounting solutions for contractors and professional service companies.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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