The Team
Sunstone Logistics Systems is led by a highly experienced team of professionals across logistics, industrial engineering, technology, and operations. With deep industry knowledge and a proven track record, we deliver intelligent, integrated solutions that enhance efficiency, visibility, and performance throughout the supply chain.​
Executive Management Team
Mark Jaffe
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Chief Executive Officer
Mark Jaffe is the CEO and founding director of Sunstone Logistics Systems. With a visionary approach to technology and logistics, he has led the company from inception to industry leadership. Mark brings decades of executive experience and a deep understanding of operational ecosystems, driving innovation, strategic growth, and long-term value creation.
Bradley Cline
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Executive Director
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Bradley Cline is the Executive Director of Sunstone Logistics Systems, providing strategic leadership across the company’s operations and growth initiatives. With a strong background in executive management and commercial development, he plays a key role in shaping long-term vision, building strategic partnerships, and driving sustainable business performance.
Wesley Phillips
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Chief Operating Officer
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Wesley Phillips is the Chief Operating Officer of Sunstone Logistics Systems. As a qualified industrial engineer, he brings a deep understanding of operational systems, process design, and execution. Wesley leads the day-to-day delivery of logistics solutions, driving efficiency, accuracy, and innovation across warehousing, fleet, and in-field operations.
Elizabeth Sephton
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General Manager
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Elizabeth Sephton is an experienced industrial engineer and General Manager at Sunstone Logistics Systems. With an MBA and a strong background in operations and strategic planning, she leads cross-functional teams to drive performance, implement scalable systems, and ensure alignment between commercial goals and execution.