Leadership

Manuel Zepeda

Chief Executive Officer

Manuel Zepeda is a transformational technology executive with more than 30 years of experience driving growth, operational excellence, and enterprise value creation for global technology companies. He has led multi-billion-dollar businesses across North America, Latin America, Europe, and Asia, delivering sustainable growth through commercial transformation, disciplined execution, and high-performing teams.

Most recently, Manuel served as Executive Vice President of Global Sales & Services at Spirent Communications, where he led a global organization of more than 600 employees. He improved sales productivity, expanded recurring revenue, strengthened operating leverage, and accelerated the commercialization of AI-driven solutions while building one of the company’s highest-performing organizations.

Previously, as Division President of Amdocs Caribbean and Latin America, he transformed the region into one of the company’s fastest-growing businesses.

Manuel studied economics at the University of Texas at Dallas and Southern Methodist University and completed executive education in AI Applications for Growth at Northwestern University’s Kellogg School of Management.

Lawrence Dempsey

Head of Legal

Lawrence Dempsey is responsible for leading the global legal team.

Lawrence has 25 years of experience in energy, venture capital, mobility, and innovation. His experience includes leadership positions at Sunnova, Verra Mobility, Hi-Crush, and Direct Energy, where he developed the world’s first agreement to use blockchain to microhedge energy transactions. He also was the general counsel for one of the first social networking companies.

Lawrence has a leadership role within the American Bar Association Private Equity and Venture Capital Committee and is coeditor for its publication Preferred Returns. He has held advisory board roles at several startups including fintech, social networking, and fuel delivery startups. He is a mentor at the Rice Alliance for Technology and Entrepreneurship.

Lawrence has a bachelor’s degree from the University of Texas at Austin and a law degree from Columbia University.

Sean Duclaux

Chief of Staff & Head of Global Business Operations

As Chief of Staff, Sean Duclaux is a trusted advisor to the executive team, aligning cross-functional teams, streamlining decision-making processes, and enhancing organizational efficiency.

With more than two decades of experience in the technology sector, Sean brings expertise in corporate strategy, operational leadership, and stakeholder engagement. Prior to this role, Sean was head of commercial operations at DTN where he oversaw the entire revenue cycle by driving operational efficiency across cross-functional teams.

He has served in multiple senior leadership positions within technology companies with a focus on SaaS, AI- and data-driven solutions. Before coming to DTN, Sean served as the Senior Vice President of Operations and Strategic Initiatives at Liongard, the leading Attack Surface Management platform designed for MSPs and IT Service Providers.

Sean earned his master's in computer science from the University of New Orleans and an MBA from the University of Houston.

For more than a decade he has volunteered with the Raphael Academy and the Special Olympics in Louisiana.

Nick Malkiewicz

Executive Vice President, Engineering

Nick Malkiewicz leads engineering at DTN, where he drives strategic technology initiatives and fosters a culture of continuous improvement across the organization.

He is a seasoned technical leader with over 25 years of experience and a proven track record of rapidly achieving desired outcomes through strategic product planning, embracing cutting-edge technology, and effective engineering management. He combines deep technical expertise with strong business acumen to navigate complex technological landscapes while balancing organizational needs and a customer value focus.

Nick champions operational efficiencies through reusability and facilitates a culture of learning and knowledge sharing among engineering teams. His leadership philosophy emphasizes collaboration, innovation, and empowering teams to solve complex technical challenges while maintaining focus on customer needs and business objectives.

Nick holds a degree in human computer interaction from The University of Texas at Austin, which informs his approach in building intuitive, effective technology solutions that enhance user experience and drive organizational success.

Grey Montgomery

General Manager, Agriculture

Grey Montgomery leads the agriculture business at DTN, a company that supports the full agricultural ecosystem with real-time visibility and intelligence. Under Grey's leadership, DTN has become a trusted partner for farmers, input suppliers, ag retailers, traders, processors, and food companies, providing the insights and tools they need to navigate the complexities of modern agriculture and make informed decisions that drive productivity, sustainability, and profitability.

Grey recently led the development of Ag Hub, the innovative operational decisioning platform from DTN that integrates agronomic, market, sustainability, and producer data to provide a digital twin of farming and enable confident, connected decision-making.

Grey brings over 25 years of experience in innovation and business leadership roles at business information and digital media companies. He is a member of the William Allen White School of Journalism Foundation Board and holds degrees in political science and journalism from the University of Kansas, as well as an MBA from the Wharton School at the University of Pennsylvania.

Elizabeth Norman

Chief People Officer

As Chief People Officer, Liz Norman leads the team shaping and delivering future-focused talent strategies for DTN. In partnership with the senior leadership team, Liz and her team focus on the culture and systems that drive high performance and business outcomes.

Liz is a seasoned HR executive, bringing deep experience leading organizational transformation and change. She has served in HR leadership roles at Dell, WageWorks, and HP, and began her career in consulting with Accenture. Liz has extensive experience designing and implementing programs and solutions at scale across the talent lifecycle, including organizational design, development and engagement, performance management, and rewards & recognition.

Outside of work, Liz serves on the board of directors for the Georgetown Soccer Association, and coaches her children’s youth soccer teams. She holds an undergraduate degree from the University of Pennsylvania and earned both her MBA and M.Ed. from Stanford University.

Mark Potter

Chief Product Officer

Mark Potter is a globally recognized technology executive, board leader, and entrepreneur with experience turning innovation into business value.

As Chief Product Officer, he leads product management, strategy, and technology, bringing expertise across R&D, marketing, and sales to accelerate growth and deliver measurable customer outcomes.

Mark spent much of his career at Hewlett Packard Enterprise, Hewlett-Packard Company, and Compaq Computer, rising to Chief Technology Officer of HPE, where he helped shape company strategy and led Hewlett Packard Labs. He previously held General Manager roles across IT infrastructure, enterprise software, cloud, security, and networking, incubated four billion-dollar products, and holds eight engineering patents.

Mark's board service reflects his broad engagement across the technology sector, both domestically and internationally, as well as service on boards focused on healthcare, higher education, and community development. He is Co-Founder and President of a nonprofit charitable foundation.

Mark earned a degree in electrical engineering from Texas A&M University and enjoys spending time outdoors with his family.

David Rich

Chief Marketing Officer

As Chief Marketing Officer, David Rich leads global marketing strategy, connecting DTN’s solutions with customers across agriculture, energy, and weather-sensitive industries.

Partnering with product, sales, and customer success, David shapes go-to-market strategies anchored in DTN’s innovation and customers’ real-world challenges. This alignment enables measurable outcomes that accelerate adoption, deepen loyalty, and unlock long-term value.

A marketing veteran with more than 30 years of experience, David has guided growth across multiple stages, sales models, and categories. His career spans leadership roles at Adobe, Yahoo! and Disney as well as high-growth startups in the U.S. and Europe, where he built strategies that drove impact, scaled organizations, and established enduring customer connections.

David is committed to elevating the next generation of executives by serving as an MBA Student Mentor for the Fuqua School of Business at Duke University, where he also served on the Alumni Board. He earned both his bachelor’s degree in economics and MBA from Duke.

Richard Scott

Senior Vice President of Customer Experience

As Senior Vice President of Customer Experience at DTN, Richard Scott leads with a simple focus: deliver meaningful value to the customers who feed, fuel, and protect the world. He and his team drive seamless experiences across the entire journey, starting with presales alignment, through onboarding, and into long term partnership, always tying customer outcomes to business growth.

With more than 25 years of experience in technology, professional services, and customer success, Richard is known for his collaborative style and focus on innovation. He has held senior leadership roles at Thought Industries, PROS, and Accenture, where he consistently delivered gains in retention, satisfaction, and revenue.

Richard earned a bachelor’s degree in computer science and a master’s degree in management information systems from the University of Pittsburgh.

Renny Vandewege

General Manager, Weather and Climate Intelligence

Renny Vandewege leads strategy, vision, and direction for the commercial organization in delivering innovative and relevant solutions for DTN customers whose operations, assets, safety, and bottom lines are impacted by weather.

With growing weather volatility and operational risk, Renny and his team are focused on driving a new frontier of performance powered by proprietary weather data, AI-optimized forecasts, and purpose-built industry solutions.

Renny had more than 20 years of experience helping businesses become more resilient to the impact of weather events using actionable intelligence. Prior to joining DTN, Renny, was a broadcast meteorologist and a commercial leader for the weather technology company, Weather Decision Technologies.

Renny is an active thought leader across the weather enterprise. He is the host of DTNsights podcast, a regular Forbes contributor, and serves on the PRIMET Board of Directors.

Renny has a bachelor's degree in meteorology from Northwest Missouri State University and a master’s degree in meteorology from Mississippi State University.