Meet the Team Driving Data-Powered Growth
With decades of experience across marketing, data, and innovation, our leadership team is focused on helping brands grow smarter.

Greg Mesaros
Founder and CEO
Greg Mesaros is the Founder, CEO, and Chair of Triadex, an award-winning marketing company he established in 2002 that uses innovative marketing solutions and proprietary data analytics to drive growth for multi-unit businesses. With over three decades of experience in marketing, technology, and business development, Greg has guided Triadex to become a nationally recognized leader in data-powered marketing solutions.
Before founding Triadex, Greg held leadership positions at GED, Incorporated, Ziff-Davis, and Cyberex. He has served on various non-profit boards and the External Advisory Corporate Board for the University of South Florida’s Office of Corporate Partnerships. He has launched several businesses listed on the Inc 500/5000 Fastest Growing Private Companies. Under his leadership, Triadex initiated the industry’s first Environmental Offset Program, funding the National Forestry Foundation and supporting science-based policies and technologies to remove carbon from the environment. Named a Top 50 Tampa Business Leader and one of the top 40 e-procurement visionaries by Purchasing Magazine, Greg holds a Bachelor of Science in Business Administration from Bowling Green State University and an MBA from Loyola Marymount University, graduating Beta Gamma Sigma.
Recognized for his contributions to innovation, Greg, as the sole inventor of 45 patents, was a 2024 Inductee of the Florida Inventors Hall of Fame. His biography is archived at the Lemelson Center for the Study of Invention and Innovation at the Smithsonian Institution’s National Museum of American History.
In his spare time, Greg enjoys spending time with his family, reading, and traveling.
Stephen Farr-Jones
Chief Strategy Officer
Stephen Farr-Jones brings over 30 years of global leadership experience across marketing, retail, and strategic consulting to his role as Chief Strategy Officer at Triadex. He leads enterprise growth strategies and long-term planning, helping clients scale intelligently through a combination of data-driven insight and operational clarity. Known for his ability to simplify complexity and align teams toward high-impact goals, Stephen plays a central role in guiding both internal direction and client-facing strategy.

Prior to joining Triadex, he was the Founder and President of ADM Marketing, where he oversaw strategic development across retail and restaurant verticals. His earlier experience includes executive roles at The Walt Disney Company, where he led international licensing and merchandising efforts, and at Activision Blizzard, where he served as Vice President of Marketing and Business Development. He also served as U.S. President of Coogi Australia, restructuring the brand’s national sales and distribution channels. A graduate of the University of Sydney with a Bachelor of Arts in Economics, Stephen began his career in strategic consulting with LEK, where he helped launch the firm’s Scandinavian practice and advised Fortune 500 companies across global markets.
Outside of work, Stephen enjoys traveling and is an avid slot car enthusiast—his passion for the hobby led him to develop the most active slot car racing club in the United States.

Stephen Farr-Jones
Chief Strategy Officer
Stephen Farr-Jones brings over 30 years of global leadership experience across marketing, retail, and strategic consulting to his role as Chief Strategy Officer at Triadex. He leads enterprise growth strategies and long-term planning, helping clients scale intelligently through a combination of data-driven insight and operational clarity. Known for his ability to simplify complexity and align teams toward high-impact goals, Stephen plays a central role in guiding both internal direction and client-facing strategy.
Prior to joining Triadex, he was the Founder and President of ADM Marketing, where he oversaw strategic development across retail and restaurant verticals. His earlier experience includes executive roles at The Walt Disney Company, where he led international licensing and merchandising efforts, and at Activision Blizzard, where he served as Vice President of Marketing and Business Development. He also served as U.S. President of Coogi Australia, restructuring the brand’s national sales and distribution channels. A graduate of the University of Sydney with a Bachelor of Arts in Economics, Stephen began his career in strategic consulting with LEK, where he helped launch the firm’s Scandinavian practice and advised Fortune 500 companies across global markets.
Outside of work, Stephen enjoys traveling and is an avid slot car enthusiast—his passion for the hobby led him to develop the most active slot car racing club in the United States.

Brantley Smith
Chief Product Officer
Brantley Smith brings more than 20 years of experience in digital marketing, product innovation, digital transformation, and revenue operations to his role as Chief Product Officer at Triadex. He works alongside the Triadex leadership team to lead the agency’s product vision, ensuring alignment with business strategy, market demand, and long-term enterprise growth. Brantley is responsible for translating strategic opportunity into scalable, monetizable platforms that strengthen Triadex’s service portfolio and deliver measurable impact for clients. Known for blending innovation with operational discipline, he works across Revenue, Data, and Acquisition functions to identify gaps, refine offerings, and bring new products to market with clarity and focus.
Prior to serving as Chief Product Officer, Brantley founded and scaled HomePro Marketing, building performance-driven marketing systems for franchise and multi-location brands before its acquisition by Triadex. Earlier in his career, he held executive leadership roles overseeing digital transformation and product innovation within multi-location marketing organizations, helping scale digital revenue from ~$1M to $40M+ ARR and generating more than 15 million homeowner leads across paid, organic, and partner channels. He has led the development of proprietary marketing platforms, integrated CRM and analytics ecosystems, and deployed AI-enabled automation systems designed to accelerate execution and improve profitability. Brantley’s background spans agency leadership, SaaS product development, and B2B/B2C digital marketing strategy, giving him a broad perspective on how to build products that are both innovative and commercially viable.
Outside of work, Brantley is an entrepreneur and advisor who enjoys building new ventures, exploring emerging AI technologies, and spending time with his friends and family in the Tampa Bay area.
Donna Greenbury
Chief Financial Officer
With over three decades of financial leadership across global, private, and nonprofit sectors, Donna Greenbury brings transformative insight and deep operational expertise to her role as CFO at Triadex. Throughout her career, Donna has been at the helm of strategic finance in industries ranging from automotive and manufacturing to analytics and direct marketing.

Before joining Triadex, Donna held senior executive roles including Global Vice President of Finance at Dura Automotive and Director of Global Finance at Delphi, where she oversaw complex restructurings, M&A activities, and multi-national teams across 34 manufacturing sites. She also served as CFO at VeraData, leading profitability turnarounds and ERP implementations that enhanced reporting and operational efficiency. Donna earned her MBA in International Management and Finance from the Thunderbird School of Global Management and holds a Bachelor of Arts in Economics from the University of Michigan. At Triadex, she supports strategic growth initiatives, bringing disciplined financial modeling, actionable forecasting, and forward-looking guidance to the leadership team.
Outside of work, Donna enjoys traveling, spending time with family and friends, is an avid golfer and Michigan Wolverine Fan.

Donna Greenbury
Chief Financial Officer
With over three decades of financial leadership across global, private, and nonprofit sectors, Donna Greenbury brings transformative insight and deep operational expertise to her role as CFO at Triadex. Throughout her career, Donna has been at the helm of strategic finance in industries ranging from automotive and manufacturing to analytics and direct marketing.
Before joining Triadex, Donna held senior executive roles including Global Vice President of Finance at Dura Automotive and Director of Global Finance at Delphi, where she oversaw complex restructurings, M&A activities, and multi-national teams across 34 manufacturing sites. She also served as CFO at VeraData, leading profitability turnarounds and ERP implementations that enhanced reporting and operational efficiency. Donna earned her MBA in International Management and Finance from the Thunderbird School of Global Management and holds a Bachelor of Arts in Economics from the University of Michigan. At Triadex, she supports strategic growth initiatives, bringing disciplined financial modeling, actionable forecasting, and forward-looking guidance to the leadership team.
Outside of work, Donna enjoys traveling, spending time with family and friends, is an avid golfer and Michigan Wolverine Fan.

Charles Howley
Senior Vice President of Data, Analytics, and Innovation
Known for his ability to bridge technical and business teams, Charles Howley is a data strategist, enterprise leader, and longtime advocate for innovation, data literacy, and scalable transformation. As Senior Vice President of Data, Analytics & Innovation at Triadex, he leads the company’s data science, analytics, and IT services divisions—driving innovation across every touchpoint—from data pipelines and predictive modeling to scalable infrastructure and AI-powered insights.
Before joining Triadex, Charles held senior leadership roles at Deloitte, where he led enterprise data and analytics strategy across multiple development teams supporting high-impact client engagements. He authored the Data Strategy course for DataCamp, designed to equip professionals with the skills to craft and implement effective data strategies. Charles also served as a lead instructor with Correlation One and held business intelligence leadership positions at Registria, Russ Reid, Hallmark Data Systems, and Group Publishing. As founder of CircNetwork, he led audience development, direct marketing strategy, and analytics services for independent publishers and media brands. His early career includes leadership roles in direct marketing and analytics at Circulation Specialists Inc., Curtis Circulation Company, and News Corporation. He holds an MBA from Colorado State University and brings decades of experience across commercial, nonprofit, and B2B sectors to his systems-level approach to analytics strategy.
Outside of work, Charles is an avid inline speed-skater and still competes each September in the Annual Northshore Inline Marathon—the world’s largest point-to-point inline marathon—in Duluth, Minnesota.
Amanda Mangler
Senior Vice President, Revenue
Amanda Mangler brings over 15 years of experience in sales strategy, loyalty marketing, and cross-channel engagement to her role as Senior Vice President of Revenue at Triadex. She leads enterprise revenue strategy and oversees national sales and account operations, working closely with clients and internal teams to ensure measurable growth, intelligent targeting, and sustained campaign performance.

Amanda’s career spans senior leadership roles at organizations such as Epsilon, Sears Holdings, and Cancer Treatment Centers of America, where she led data-driven CRM programs and multimillion-dollar campaigns for brands including ExxonMobil, Marriott, McDonald’s, and Altria. She has deep expertise in lifecycle marketing, customer experience design, and performance optimization—focusing on tangible results and high-impact customer acquisition.
Known for her strategic mindset and ability to scale revenue through smarter marketing, Amanda has built and led cross-functional teams across industries, including retail, healthcare, automotive, finance, pharmaceuticals, QSR, fuel, travel, and CPG. At Triadex, she plays a central role in shaping our go-to-market approach and revenue enablement strategy. She holds an MBA from Plymouth State University and a Bachelor of Arts in Communications and Management from Ottawa University.

Amanda Mangler
Senior Vice President of Revenue
Amanda Mangler brings over 15 years of experience in sales strategy, loyalty marketing, and cross-channel engagement to her role as Senior Vice President of Revenue at Triadex. She leads enterprise revenue strategy and oversees national sales and account operations, working closely with clients and internal teams to ensure measurable growth, intelligent targeting, and sustained campaign performance.
Amanda’s career spans senior leadership roles at organizations such as Epsilon, Sears Holdings, and Cancer Treatment Centers of America, where she led data-driven CRM programs and multimillion-dollar campaigns for brands including ExxonMobil, Marriott, McDonald’s, and Altria. She has deep expertise in lifecycle marketing, customer experience design, and performance optimization—focusing on tangible results and high-impact customer acquisition.
Known for her strategic mindset and ability to scale revenue through smarter marketing, Amanda has built and led cross-functional teams across industries, including retail, healthcare, automotive, finance, pharmaceuticals, QSR, fuel, travel, and CPG. At Triadex, she plays a central role in shaping our go-to-market approach and revenue enablement strategy. She holds an MBA from Plymouth State University and a Bachelor of Arts in Communications and Management from Ottawa University.

Ryan Mogged
Vice President, Sales
Ryan Mogged is Vice President of Sales at Triadex, where he leads national sales strategy, new client acquisition, and enterprise-level growth for multi-location brands. With more than 15 years of experience at Triadex, Ryan has played a pivotal role in delivering on the company’s consultative sales approach and driving measurable results for clients across industries.
Ryan has held multiple roles at Triadex, rising from Account Manager to Director of Sales – National Accounts and now VP of Sales. His rise through the organization reflects both his deep understanding of data-powered marketing and his ability to build strong, trust-based relationships with clients to grow their businesses for well over a decade. Known for his strategic insight, ability to deliver on campaigns, and hands-on leadership, Ryan works closely with our revenue, product, and client services teams to ensure every engagement is aligned for success. Ryan also holds a Bachelor of Science in Business Management from the University of South Florida.
At home, Ryan and his wife share the same birthday—a coincidence made even more fun by their twins, turning birthday celebrations into just two special days each year for their family of four.
Linda Ritchie
Vice President, Marketing
Linda Ritchie brings over 20 years of experience in marketing strategy, B2B growth, and brand leadership to her role as Vice President of Marketing at Triadex. She leads the company’s marketing strategy and execution—building integrated, insight-driven programs that align brand, demand generation, and revenue performance. With a strong background in performance analytics and CRM strategy, Linda ensures marketing efforts deliver measurable business outcomes.

Her experience spans a wide range of industries including industrial technology, software, professional services, and automotive. Before joining Triadex, she led multi-million-dollar channel marketing initiatives at Honeywell, partnering with leading resellers such as CDW and Barcodes (a Levata Company) to drive product adoption and partner-led growth. She previously held senior roles at CDK Global (formerly ADP Dealer Services), where she advised automotive clients on CRM-enabled lifecycle marketing, and at Lauterbach & Amen, where she supported marketing and expansion efforts in highly regulated financial markets. Linda also brings valuable agency-side perspective from her work with brands like Nissan and Chevrolet.
Linda holds an MBA in Marketing Management and Innovation and a Bachelor’s degree in Communications. She brings a pragmatic, growth-oriented leadership style to Triadex—combining strategic vision with financial discipline and a clear focus on client experience.
In her spare time, Linda enjoys cruising to warm destinations with her husband and daughter.

Linda Ritchie
Vice President, Marketing
Linda Ritchie brings over 20 years of experience in marketing strategy, B2B growth, and brand leadership to her role as Vice President of Marketing at Triadex. She leads the company’s marketing strategy and execution—building integrated, insight-driven programs that align brand, demand generation, and revenue performance. With a strong background in performance analytics and CRM strategy, Linda ensures marketing efforts deliver measurable business outcomes.
Her experience spans a wide range of industries including industrial technology, software, professional services, and automotive. Before joining Triadex, she led multi-million-dollar channel marketing initiatives at Honeywell, partnering with leading resellers such as CDW and Barcodes (a Levata Company) to drive product adoption and partner-led growth. She previously held senior roles at CDK Global (formerly ADP Dealer Services), where she advised automotive clients on CRM-enabled lifecycle marketing, and at Lauterbach & Amen, where she supported marketing and expansion efforts in highly regulated financial markets. Linda also brings valuable agency-side perspective from her work with brands like Nissan and Chevrolet.
Linda holds an MBA in Marketing Management and Innovation and a Bachelor’s degree in Communications. She brings a pragmatic, growth-oriented leadership style to Triadex—combining strategic vision with financial discipline and a clear focus on client experience.
In her spare time, Linda enjoys cruising to warm destinations with her husband and daughter.
Decades of expertise. Billions of data points. Focused on results.
Our leadership team brings deep experience across marketing, data, and innovation–giving every campaign the strategic edge it needs to perform. Let’s talk about what that expertise could mean for your brand.