About eCommQuest

Our Team

eCommQuest is based in Atlanta, Georgia and led by industry veterans experienced in business and IT consulting, human capital, recruiting and sourcing.

Mark N. Phillips


Office: (678) 946-6708

Email: mphillips@ecommquest.com

With over 25 years of experience including serving as a Managing Partner with a "Big 4" public accounting firm, Mark has a proven track record of successfully serving clients throughout North America and internationally. Mark has worked in all phases of IT and business process consulting with mid-sized to global Fortune 100 companies. He has implemented SAP, Oracle, PeopleSoft and J.D. Edwards in multiple industries with diverse and complex environments. He has also been involved in numerous IT Audit and GRC Risk Management projects at public companies in the Southeast.

As President at eCommQuest, Mark is responsible for overall leadership of eCommQuest, client service and quality control, day-to-day operations and strategic planning.

Prior to joining eCommQuest, Mark was a Managing Director at Protiviti, the Southeast Regional Managing VP at Hitachi Consulting, Managing Director at BearingPoint and Managing Partner at Arthur Andersen.

Mark received a Bachelor's degree in Finance from Emory University and a Master of Science degree from Georgia State University with honors. Mark resides in Atlanta.


John P. O'Donnell


Office: (678) 946-6703


John O’Donnell is a Partner and co-founder of eCommQuest. John’s responsibilities include: Client relationship development, strategic planning and day-to-day operations of the firm. Prior to founding eCommQuest in 2000, John spent several years working for two National IT Search and Consulting firms, focusing on executive search for Fortune 500 and Management Consulting clients. John holds a Bachelors degree in Marketing from Manhattan College in Riverdale, NY. John resides in Atlanta.


Chris Walsh


Office: (678) 946-6704

Email: cwalsh@ecommquest.com

As one of the founding partners of eCommQuest, Inc., Chris’ responsibilities include developing strategic client relationships, driving sales revenue for the firm and market strategy development for eCommQuest's future growth. Before starting eCommQuest in 2000, Chris worked for several years in the IT industry for another national consulting firm where he focused his efforts on contracting services for SAP, Siebel and Oracle Fortune 500 clients. Chris received his Bachelor's degree from the University of Rhode Island in 1994 and currently lives in Atlanta.


Tom O'Sullivan

Vice President - Sales

Office: (678) 946-6715

Email: tosullivan@ecommquest.com

As a 25-year veteran in the software and services industry, Tom established a track record of building and managing successful revenue driving relationships, processes and teams. He has had successful roles in ERP software and services Sales, Business Development, Alliances, Management, Pre-sales, Services and Staff Augmentation. Tom has shown a unique talent to identify, build and leverage long term partner relationships that are beneficial to Customers, Prospects and Partners. Tom continues to leverage a network of technology peers, customers, prospects and partners to identify new revenue opportunities.

As Vice President of Sales, Tom has overall responsibility for client relationships, revenue driving initiatives as well as identifying new and strategic channels for growth and revenue.

Prior to joining eCommQuest, Tom has worked for world class organizations such as Arthur Andersen, JD Edwards, PeopleSoft, Oracle, IBM and B2B Workforce, a Randstad company.

Tom received a Bachelor's of Science degree in Management from Georgia Tech with honors. Tom resides in Atlanta with his wife and four children.  

   Susie Brett

   Vice President, Accounting and Human Resources

   Office: (678) 946-6713

   Email: sbrett@ecommquest.com

   Susie has over 18 years of experience in Accounting and Financial Consulting, including

   “Big 4” public accounting, private industry accounting and SOX compliance consulting. Susie has experience with small manufacturing companies, larger service industry companies and privately held companies. She has also been involved in numerous accounting system implementations and updates throughout her career. Susie has experience working with company internal control compliance and has been involved in reporting directly to Audit Committees of publicly held companies.  

As Vice-President, Accounting and Human Resources, Susie is responsible for all back office operations and financial reporting for the Company, as well as all Human Resource functions. Her team handles all of the financial aspects involved in our business as they strive to administer effectively to their internal and external clients. 

Prior to joining eCommQuest, Susie was an Associate Consultant with Accretive Solutions, an Accounting Manager with Bass Hotels and Resorts (currently Intercontinental Hotels Group), and a Senior Associate with Coopers & Lybrand (currently PWC).  

Susie received a Bachelor of Science degree in Accounting from the University of Kentucky. Susie resides in Atlanta with her husband and two daughters.