Leadership Overview
CGS has 10 executives leading key functions including strategy, marketing, information technology, human resources, and division operations.
Driven by a commitment to client success, CGS delivers comprehensive solutions that address complex, multi-dimensional business needs and support fundamental client activities across the globe.
Driven by a commitment to client success, CGS delivers comprehensive solutions that address complex, multi-dimensional business needs and support fundamental client activities across the globe.
Leadership Roles at CGS
David Chestnut - Founder & Chief Executive Officer
David Chestnut, the Founder & Chief Executive Officer at CGS, architects the overarching corporate strategy and directs global operations. Chestnut's leadership guides the company's mission to create comprehensive solutions meeting clients' complex, multi-dimensional needs. This executive oversees the integration of CGS's diverse service offerings, including software applications, enterprise learning, immersive technologies, and customer experience outsourcing. By setting the strategic vision, Chestnut ensures alignment across all business units, driving innovation and market expansion. The Chief Executive Officer's role involves fostering a culture of excellence and accountability, directly impacting the company's financial performance and long-term sustainability. Chestnut's foundational role establishes the core principles that govern CGS's client engagements and operational frameworks worldwide.
Douglas Stephen - Division President, Learning
Douglas Stephen, the Division President, Learning at CGS, directs the strategic vision and operational execution for the company's enterprise learning solutions. Stephen oversees the development and delivery of innovative learning programs that meet clients' complex, multi-dimensional needs. This leadership position involves driving growth and market expansion for CGS's learning technologies and services across global markets. The Division President, Learning ensures that educational offerings align with industry advancements and client requirements, supporting fundamental business activities. Stephen's focus is on enhancing learner engagement and delivering measurable outcomes. Douglas Stephen's expertise is instrumental in positioning CGS as a leader in the enterprise learning sector.
Paul Magel - President
Paul Magel, the President at CGS, drives strategic initiatives and operational oversight across key business segments. Magel's leadership focuses on enhancing CGS's comprehensive solutions, ensuring they meet clients' complex, multi-dimensional needs. This executive role involves fostering cross-functional collaboration to optimize service delivery in software applications, enterprise learning, and customer experience outsourcing. The President is responsible for identifying new market opportunities and strengthening CGS's global presence. Magel's strategic direction supports the company's fundamental business activities and commitment to client success. Paul Magel's leadership ensures sustained growth and operational excellence across the organization.
Kenrick Lee - Owner and President of Hydrogeologic Consulting Company
Kenrick Lee, the Owner and President of Hydrogeologic Consulting Company at CGS, leads specialized consulting services focused on hydrogeology. Lee directs operations aimed at addressing complex environmental and geological challenges for clients. This role involves overseeing project execution, ensuring adherence to scientific standards and regulatory compliance. The Owner and President of Hydrogeologic Consulting Company is responsible for client relationship management and business development within the niche sector. Lee's expertise supports CGS's broader mission by providing critical insights for projects requiring deep environmental understanding. Kenrick Lee's leadership ensures the delivery of high-quality, specialized consulting services.
Steven Polsky - President
Steven Polsky, the President at CGS, spearheads strategic growth and operational efficiency across designated business units. Polsky directs efforts to enhance CGS's comprehensive solutions, ensuring they effectively address clients' complex, multi-dimensional needs. This executive role emphasizes driving innovation and expanding market reach for the company's diverse service offerings. The President is accountable for fostering strong client partnerships and ensuring the successful implementation of CGS's services. Polsky's leadership contributes significantly to the company's fundamental business activities and overall market position. Steven Polsky's strategic oversight is key to CGS's continued success and client satisfaction.
Marjie Bershad - President
Marjie Bershad, the President at CGS, drives strategic direction and operational excellence within key divisions. Bershad oversees initiatives designed to deliver comprehensive solutions that meet clients' complex, multi-dimensional needs. This leadership role focuses on enhancing service delivery and expanding CGS's market presence globally. The President is responsible for cultivating strong client relationships and ensuring the successful execution of projects. Bershad's strategic focus supports the company's fundamental business activities and commitment to client success. Marjie Bershad's leadership ensures that CGS consistently provides high-value services and maintains its competitive edge.
David Grabert - Chief Marketing Officer & Senior VP
David Grabert, the Chief Marketing Officer & Senior VP at CGS, directs all global marketing initiatives and brand strategy. Grabert oversees the development and execution of campaigns that highlight CGS's comprehensive solutions for software applications, enterprise learning, and customer experience outsourcing. This leadership position involves driving market penetration and enhancing brand visibility across North America, South America, Europe, the Middle East, and Asia. The Chief Marketing Officer & Senior VP ensures cohesive messaging that resonates with diverse client bases, supporting fundamental business activities. Grabert's responsibilities include market analysis, lead generation, and fostering strong client relationships through strategic communication. By optimizing marketing efforts, David Grabert directly contributes to revenue growth and the company's sustained market leadership.
James Tietjen - Senior Vice President, Global Chief Information Officer
James Tietjen, the Senior Vice President, Global Chief Information Officer at CGS, directs the company's global information technology infrastructure and strategy. Tietjen oversees the implementation and management of all technology systems that support CGS's software applications, enterprise learning, and customer experience outsourcing services. This critical role ensures the security, scalability, and efficiency of IT operations across all global offices. The Senior Vice President, Global Chief Information Officer is responsible for aligning technology roadmaps with business objectives, driving digital transformation initiatives. Tietjen's leadership ensures that CGS leverages cutting-edge technology to meet clients' complex, multi-dimensional needs. By optimizing IT resources, James Tietjen enhances operational effectiveness and supports the company's fundamental business activities worldwide.
Savio Rebelo - Senior VP, Human Resources & Chief Human Resources Officer
Savio Rebelo, the Senior VP, Human Resources & Chief Human Resources Officer at CGS, leads all global human capital management strategies. Rebelo oversees talent acquisition, development, and retention programs designed to support CGS's diverse workforce across North America, South America, Europe, the Middle East, and Asia. This executive ensures that HR policies and practices align with the company's mission to provide comprehensive solutions and meet clients' complex needs. The Senior VP, Human Resources & Chief Human Resources Officer champions employee engagement and fosters a culture that supports innovation and client service excellence. Rebelo's strategic direction is vital for building and maintaining a high-performing team that drives CGS's fundamental business activities. Savio Rebelo's leadership ensures a robust talent pipeline and a supportive work environment.

Michael Fitzpatrick - Global Chief Information Officer
Michael Fitzpatrick, the Global Chief Information Officer at CGS, manages the company's global information technology operations and infrastructure. Fitzpatrick oversees the deployment and maintenance of technology solutions that underpin CGS's software applications, enterprise learning, and customer experience outsourcing services. This role focuses on ensuring the reliability and security of IT systems across all international locations. The Global Chief Information Officer drives initiatives to enhance operational efficiency and support the company's commitment to meeting clients' complex, multi-dimensional needs. Fitzpatrick's leadership ensures that technology investments directly contribute to the company's fundamental business activities. Michael Fitzpatrick's expertise is crucial for maintaining CGS's technological advantage and supporting global business functions.
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