Paul O'Brien Growth hacker, startup advisor, and CMO

As an intern, Paul was my first person I have worked who shared his expertise in marketing with me. He has been patience and open-minded with me as I worked through Zvents' corporate blogs. His extremely knowledgeable and expertise in marketing have helped and molded my understanding in marketing and how it operates through the World Wide Web. He has been an inspirational colleague and I will always look for his advice anytime. If you are looking for someone who can provide you an outgoing expertise in marketing and beyond, Paul O'Brien is the only name I will give out.

Paul possesses a rare blend of intelligence, humor, and humility. He is an exceptional communicator, masterful public speaker, and patient listener. With an open-mind, he welcomes and supports the input of his colleagues. He also understands the importance of motivating his team so that they feel challenged and valued. I would be thrilled to have the opportunity to work with Paul anywhere.

Paul is a tremendously talented marketing executive with a well deserved industry level reputation for excellence and leadership. His energy, sharp wit, and keen insight into online marketing, make him a standout performer. Highly recommended!

I've had the extreme pleasure of working with and learning SEO and online marketing from Paul O'Brien. He is highly respected in his field and is a frequent speaker at many top level conferences where I've witnessed standing room only time after time. He is a master at explaining search in ways that even the most novice students get it. His day to day work continues to lend to the success of Zvents and keeps us one step ahead. I'd gladly work with Paul O'Brien any time!

Paul is highly intelligent, attends to all details in his role and has an acute sense of his business and how to be successful in it. He is fair in our business dealings and maintains a consistent flow of communication, something that ensures progress toward accomplishing collective goals. In short, I enjoy working with Paul

At Yahoo! Paul was very knowledgeable about our entire network. His enthusiasm and knowledge made him one of the very best ad solutions managers and great to work with! He brings energy to every meeting we attended.

Paul's knowledge of all things interactive is immeasurable. He has the unbelievable ability to command a room full of ecommerce experts, all the while translating details so that even a stranger to marketing would understand.

Paul is a forward thinking online marketing professional. He helped drive the consumer electronics strategy in Yahoo! Shopping and provided sound, custom solutions for major consumer electronic brands. Paul has an energy and passion for online marketing, it was a pleasure to be on his team.

Hands down, the smartest Online Marketer I have ever met. He combines his creative thinking, analytical skills, and attention to detail to create highly effective customer acquisition strategies for HP.

Paul is a thoughtful and professional person to work with. While at Yahoo!, he was known as an expert in his group, and was viewed as the "go-to" guy on multiple topics.