AJ Gerritson is a popular speaker who specializes in helping audiences understand how they can use inbound marketing techniques and social media tools to create awareness, generate leads and increase revenue. AJ’s energetic and motivational style keeps his audience members engaged and each presentation that he gives is customized for the audience to ensure that they are left with useful and timely advice.


AJ’s experience and success founding partner at 451 Marketing, a Boston-based communications agency, make him an ideal candidate to speak to many different audiences about new and social media, search marketing, digital public relations, online lead generation, and integrated marketing campaigns. 


"You were definitely the right guy for the job! On behalf of the Boston chapter of Law Firm Media Professionals, I want to thank you for an excellent presentation at the Mass. Bar Association's inaugural Firm Future Event. We were delighted with what you had to say, the turnout, and the interaction between you and the audience. I hope you consider it time well spent and look forward to seeing you again soon."

-Hank Shafran, Director of Communications, Bingham McCutchen LLP

"AJ continues to impress me with his command of social media...a real pioneer in this space. He is an excellent presenter, informative and engaging. If you have an opportunity to hear AJ speak, don't miss it!"

-Elizabeth Hailer, Vice President, Client Development & Marketing, Caturano and Company

"AJ is charismatic and engaging, with the unique ability to shape his presentation to meet the needs of any audience. We had such great feedback after the first event last year, that we already had him back to speak a second time!"

-Christy Dancause, Executive Director, Association for Corporate Growth (ACG) Boston

"AJ was simply excellent, a homerun! From beginners to experts, everyone learned so much from him. REALTORS as a whole are an extremely challenging crowd to capture and keep their attention and AJ mastered that! I would highly recommend him as a speaker and have him back in a heartbeat!"

-Eugenie King, Plymouth and South Shore Association of REALTORS®

"I have heard AJ speak on several occasions now. In each instance he has delivered a timely, informative social media presentation in an easygoing, conversational style that engages and never intimidates. If your audience needs to hear practical insights into effective social marketing, AJ should be at the top of your speaker list."

-Julianne Zimmerman, Strategic Communications Consultant

"AJ is one of those rare speakers who can make everyone in the room know he's talking right to them. Whether presenting technical information or motivational remarks, AJ engages the audience with his clear, memorable and accessible style."

-Toni Troop, Communication Director, Jane Doe, Inc.

"AJ has a wealth of knowledge and a tremendous skill to navigate the issues, the panelists and the audience to ensure a thoughtful, information rich program. He's an asset to any program."

-Kiki Mills, Executive Director, Massachusetts Technology Exchange (MITX)

"AJ's presentation is more than just providing tips, tricks and the latest applications. He really makes a strong case as to why organizations must be involved in web 2.0 tools, regardless of the size or type of business, and gives each audience member the inspiration to find the best mix for their customer. All that and extremely personable- can't go wrong with AJ!"

-Samantha Dawson Hammer, Economic Initiatives Director, Boston Redevelopment Authority