About Us

Peter McEllhenney: Owner & Marketing Principal

peter-mcellhenney-5g-marketing-groupPeter McEllhenney is 5G Marketing Group. Peter has 25 years experience in marketing strategy, digital marketing, product marketing, and campaign management.

Peter’s web marketing specialties include Google AdWords, social media advertising, search engine marketing, and web analytics. Peter is a highly experienced advertising & marketing copywriter, blogger, social media writer, and ghostwriter.

Peter is also the co-owner of ENDGAME Sales & Marketing. Peter has experience in the for-profit and non-profit sectors, including the health and medical markets. He worked in the Health Science division of Elsevier for 10 years.

Peter has a BA in English from Oberlin College and is the chair of the Oberlin Alumni Career Committee. He previously served on the board of the Center City Proprietors Association (CCPA). Call Peter at 215.906.3518.

I’m proud of my website but more importantly my customers like using my website…. I’d recommend Peter every time!
Susan Fogarty, Administrator, RS Thomas & ME Eldridge Poetry & Art Festival


Peter is great to work with. His website content is succinct and cogent so that readers get key messages quickly on an optimal number of well-organized pages. He’s reliable, thorough, and follows through until content and timing targets are hit.
Mark Burrows, CEO of DoseCue
Peter does a great job taking the knowledge, experience and insights developed running Bringing Hope Home and turning them into blog posts…. He’s inquisitive, focused & passionate about getting our message across and sounding like ourselves. We know what we want to say and Peter helps us find the best way possible to do that!
Paul Isenberg, CEO of Bringing Hope Home


Peter McEllhenney delivers results…. Peter’s work has been essential to my success.
Cathy Hart, MD, Medical Director of New Hope TMS

Peter’s Clients include Always by Design Architects • Bringing Hope Home • C-Link • Cathy Hart Family Medicine • Comprehensive Neurology of The Woodlands • Deliver Me Yoga • DoseCue • Eagleville Hospital • Earthly Delights LLC • F.A. Davis • Fox Rothschild • Gene Bridge • Generation 3 Electric • Gynecology Specialists of Philadelphia  • Jaypee Medical Inc. • John Cipollone Inc. Heating & Cooling • Law Offices of C. Shawn Jones • Lawera Medicine & Wellness • Lenox Hill TMS • Manor College • MLeads Mobile App • Mobility Chiro Therapy • National Dumpster Service • National Museum of American Jewish History • New Hope TMS Depression Therapy • Onyx Renewable Partners • Peter Galen Massey • Reflexology by Gabi • RS Thomas Literary Festival • Sander Caravan Site • Shapiro Communications • Shawn Jones for 9th Ward Alderman • The Busy Dad Blog • The Sprintz Center • Sterling Ridge Cosmetic & Family Dentistry • Todd Cohen – Building Sales Culture • The Woodlands Rheumatology Clinic