Meet the team
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Empowering brands through innovation, results, and a forward-thinking mindset

Mission

Vision

Site Impact offers marketers a relevant, reliable, and custom solution to engage consumers through innovation and proprietary technology.

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Ranging from Fortune 500 companies to growing small businesses.

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Identity-based profiles ready to be activated across every channel.

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Hyper-target and refine audiences with over 750 lifestyle and behavioral attributes.

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The executives

Meet the leadership team

Our leadership team brings together deep expertise in data, marketing, and technology to guide the growth of Site Impact.

Jennifer Gressman

Chief Executive Officer

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Background: Jennifer transitioned from traditional media to digital in the early 2000’s and ultimately made her way to Site Impact in 2013, ascending to CEO by 2021. Today, along with the team she architects our strategic roadmap and continues to drive high-impact results.

Impact: Known for driving growth and scaling revenue, Jennifer positions Site Impact as a leader in data-driven marketing. She was recently honored as a 2024 South Florida Business & Wealth Prestigious Women Award recipient.

Off the Clock: When she isn’t scaling the business, you can find Jennifer on a yoga mat, cheering on her beloved Florida Gators or planning her next travel adventure.

James Malcolm

Chief Product Officer

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Background: James brings over 25 years of product, engineering, strategy, and creative leadership experience from Accenture, Calendly, private equity, and companies in all stages. He is an AI-fluent executive who takes pride in his track record of building happy, high-performing teams.

Impact: James is extending the gap between industry-leading Site Impact and the competition through his work with AI audiences, anti-fraud technology, and multichannel attribution.

Off the Clock: Outside the office you’ll find James juggling a soccer ball, urban sketching, cooking in his trustworthy cast iron pan, or trying to learn guitar.

Jeremy Armbrister

Chief Financial Officer

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Background: Jeremy brings 18 years of finance and operations leadership experience across private equity backed, founder led, and public companies. Before joining Site Impact, he served as CFO of Integrity Solutions and held executive finance and FP&A leadership roles across multiple industries.

Impact: Jeremy helps guide Site Impact's financial strategy by connecting finance with operations to support smart, sustainable growth. His focus on scalable processes, forecasting, and operational discipline helps position the company for long term success.

Off the Clock: Outside the office, Jeremy enjoys spending time with his family, staying active, and finding new opportunities to learn and grow.

Ron Merritt

Chief Revenue Officer

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Background: Ron is a seasoned executive with extensive experience leading revenue, operations, and growth strategies for media and marketing organizations. Throughout his career, he has helped scale businesses through key growth phases, including successful IPOs and acquisitions.

Impact: Known for his operational excellence and results-driven leadership, Ron brings expertise in finance, revenue operations, AI adoption, and go-to-market strategy. His work has earned industry recognition, including GONG’s 2024 CRO of the Year award.

Off the Clock: Outside the office, Ron enjoys competing in softball tournaments across the country, staying active through athletics, and spending time with his wife and their two children.

Lisa Westenberger

Vice President of People & Culture

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Background: With nearly two decades of HR experience, Lisa has partnered with leaders to build high-performing teams, cultivate talent, and create exceptional workplace cultures. She is passionate about continuous learning and believes the best orgs are built by investing in people.

Impact: Lisa leads People & Culture by building scalable, people-first solutions that strengthen leaders, empower employees, and enable business growth. She leverages technology and AI to modernize HR and drive meaningful change with empathy and collaboration. She was recognized by South Florida Business & Wealth for excellence in Human Resources in 2026.

Off the Clock: Lisa enjoys hiking, camping, reading, and spending time outdoors with her family.

Awards & Recognitions

Recognition earned through growth and culture

From industry recognition to employee-driven awards, our growth has always been powered by great people, strong leadership, and a commitment to doing things the right way.

Citybiz

2026

Site Impact’s role in advancing data-driven marketing and its established presence in the digital advertising space.

Inc 5000

2026

An extension of the national Inc. 5000 list, the Regionals list offers a data-driven look at the small businesses driving growth across the Southeast economy.

Herald Tribune

2026

Strengthens Site Impact’s reputation for strong leadership and commitment to building a high-performing, people-first company culture.

Boost My Domain

2026

AI reshapes digital marketing leadership. Experts reveal coaching skills, AI brand mapping, and model visibility to drive growth.

CEO Times

2026

Site Impact is revolutionizing multi-channel marketing with data-driven solutions, led by CEO Jennifer Gressman, for smarter, real-time results.

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Site Impact updates

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