Key Team Members


Ralph Cummins

Ralph engages with clients at the most senior levels, supporting long term strategies that will drive marketing effectiveness through the application of best practices in support of your objectives. Ralph has rejoined EMM Group after a short break during which time he honed his Customer Experience skills. Ralph is in Richmond, VA.


Brenna Neal

Brenna leads our most complex projects for global organizations focusing on maximizing your market understanding to ensure your success.  Her expertise includes all aspects of go to market best practices.  She is a Minnesota native, graduate of Booth School of Business, past BCG Consultant, and lives in Denver.  

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Tom Hollerbach

Tom is an experienced problem solver with 25+ years in agency management. He supports client relations and business development at EMM Group, and his guidance guarantees that every project is grounded in client goals and driven by results. Tom lives in Hershey, PA.


Leigh Hensley

Leigh leads EMM Group's Voice of the Customer development efforts. She is an expert in ensuring that we connect with the correct customers and markets so that you get the unbiased insights you need. Originally from west Texas, Leigh is a graduate of Texas State University. She is now based in Cincinnati.


Matt Sullivan

Matt brings sophisticated analysis and deep market research knowledge to our most complex quantitative initiatives to inform insights. While a true data geek, Matt's easy and fun demeanor make the language of science look easy. He is a graduate of Harvard and is based in Seattle.

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Ian Davidson

Ian brings expertise leading complex projects for blue chip companies across many categories. He works closely with clients at senior levels to ensure their strategic marketing and growth ambitions are achieved. Ian will be leading our UK and European business.


Rand Mendez

Rand is a subject matter expert on marketing excellence and member of the EMM team through our affiliation with ISBM. Having been a client at DuPont, Rand is very familiar with the impact our best practices have had on our clients' outcomes. Rand is in Wilmington, DE. 

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Perry Drosos

Perry’s longstanding partnership with EMM Group continues through our affiliation with Sagient Consulting. With many years of marketing and strategy experience, Perry has exceptional capabilities to develop innovative solutions for diverse business and marketing challenges.