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David Regn

David Regn

CEO / Co-Founder

As co-founder of a cutting-edge advertising agency specializing in modern automotive marketing, Dave brings invaluable expertise in building and enhancing businesses from the ground up. His proven strategies and innovative approaches have established him as a prominent figure in Philadelphia’s advertising scene, leading Stream Companies to numerous awards as one of the region’s fastest-growing privately held firms.

Expertise:

  • Executive Leadership
  • Strategic Business Planning
  • Omni-Channel Marketing
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Sarah Throne

Sarah Throne

Chief Operating Officer

With six years at Stream Companies, Sarah has been instrumental in developing our Digital Departments and Strategies. Her client-first mindset and passion for breaking down silos have driven exceptional results for our clients. With extensive hands-on experience in Digital Marketing and Integrated Strategies, Sarah has emerged as a thought leader in paid search and SEO, ensuring our clients stand out in the digital landscape.

Expertise:

  • Digital Marketing
  • Paid Search Strategy
  • Search Engine Optimization
  • Integrated Advertising
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Darren Haygood

Darren Haygood

Senior Vice President of Sales

Darren is a seasoned executive with more than 20 years of experience serving the automotive industry across OEM, vendor, and retail dealership environments. At Stream Companies, he partners with dealers and industry leaders to build modern sales and marketing programs that are grounded in data, disciplined execution, and long-term growth. Known for his collaborative leadership style, Darren focuses on strengthening teams, elevating sales performance, and turning complex digital insights into strategies that drive real results. Outside of work, he is a proud father of four and an avid endurance athlete and golfer.

Expertise:

  • Automotive Sales and Marketing
  • Digital Marketing Strategy
  • Sales Management and Operations
  • Team Building and Executive Training
  • Retail Dealership Operations
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Dave Mazzoni

Dave Mazzoni

Chief Creative Officer

An award-winning filmmaker and creative leader, Dave has been a driving force behind the growth and evolution of Stream Companies’ Creative Department for more than 14 years. Under his leadership, the team has expanded to over 100 creative professionals serving more than 5,400 clients across a wide range of industries. Dave has built an integrated, in-house creative and production operation that unites design, copy, video production, email, web, compliance, and proofing, ensuring every campaign tells a cohesive story and delivers measurable impact.

Expertise:

  • Creative Direction and Storytelling
  • Video and Content Production
  • Integrated Campaign Development
  • Brand Building and Positioning
  • Creative Team Leadership and Operations
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Drew Diehl

Drew Diehl

Senior Vice President of Strategy

A seasoned automotive marketing leader, Drew began his career as an SEO Strategist and has grown into the role of Senior Vice President of Strategy at Stream Companies. He specializes in data-driven strategies that challenge industry norms and are designed to maximize client outcomes across channels. Drew is frequently featured in automotive marketing podcasts, webinars, and publications, where his engaging presentation style helps audiences understand complex topics and walk away with clear, practical next steps.

Expertise:

  • Automotive Marketing Strategy
  • SEO and Performance Marketing
  • Data and Insights
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Matt Shearman

Matt Shearman

Senior Vice President of Sales

A seasoned automotive marketing professional with over 15 years of experience, Matt leads the Regional Sales team at Stream Companies with a focus on measurable outcomes for dealers and OEMs. His background spans digital strategy, media planning, and campaign execution, all centered on driving meaningful results and long-term growth. Matt’s deep understanding of the automotive landscape, paired with a commitment to innovation and partnership, makes him a trusted advisor to brands navigating an ever-changing market.

 

Expertise:

  • Automotive Sales & Marketing
  • Digital Strategy
  • Media Planning

 

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Rich Harrisson

Rich Harrisson

Chief Revenue Officer

With over 30 years of experience in automotive retail and advertising, Rich brings a rare blend of dealership, ownership, and agency expertise to every conversation. Before joining Stream, he served as COO for multiple automotive groups and was an owner of Chapman Auto Group, giving him a deep, first-hand understanding of what dealers face day to day. Rich is known for translating complex challenges into clear, immediately actionable strategies that help retailers improve operations, drive revenue, and unlock new growth opportunities.

Expertise:

  • Automotive Retail Strategy
  • Dealer Operations
  • Revenue Growth
  • Integrated Marketing
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Steve Sexton

Steve Sexton

EVP Agency Growth

With more than 15 years in advertising and the last decade focused on automotive marketing, Steve helps dealers turn ambitious growth goals into real performance. As Executive Vice President of Agency Growth, he advocates for dealers at every stage, connecting them with opportunities that strengthen both their marketing and their bottom line. Steve works closely with some of Stream’s longest-standing clients, providing practical insights and solutions to their biggest challenges so they can stay ahead in a competitive market.

Expertise:

  • Automotive Marketing
  • Agency Growth Strategy
  • Client Partnerships
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