Meet the
SHI Leadership Team

As Senior Vice President, Global Accounts, UK & France, Melissa Graham holds a leadership position in developing, fostering and strengthening SHI's partnerships with the most recognizable names in the industry. Melissa oversees a highly skilled team of Enterprise Account Executives and Inside Sales Representatives who deliver software, hardware and IT professional services solutions and the highest level of comprehensive support to the largest corporations in the United States and around the world.

After joining SHI in 1989, Melissa has led (and in some cases, invented) various jobs needed to cover every aspect of SHI sales and customer support solutions. She started in Insides Sales, and eventually opened SHI's first West Coast office south of San Francisco. As SHI's Strategic Accounts Manager, Melissa worked with SHI's sales and IT departments to develop the original and innovative solutions still used to support the most complex IT organizations in the country.

As Senior Vice President, Public Sector & Healthcare, Denise Collison creates strategies that support SHI's development while guiding the Public Sector team in achieving SHI's mission. Committed to daily sales activities, Denise strengthens SHI's partnerships with customers, vendors and OEMs. One of Denise's most vital roles is caring for the well-being of all team members by creating initiatives like 'Well-being Workshops' and 'Employee Good News' videos.

Since joining SHI in 1995, Denise is proud to have developed her team by balancing work elements with compassion and care. She has created a culture of collaboration and transparency, trust and accountability, continual learning, and growth.

Denise is proud to have developed her team at SHI, balancing work elements with compassion and care. She has created a culture of collaboration and transparency, trust and accountability, continual learning, and growth.

In his role as Senior Vice President – Enterprise, Eric leads and develops high-performing sales leaders and sales teams. He is responsible for the vision, strategy, and execution of results in the Enterprise segment. His track record includes over 20 years of demonstrable revenue and profit growth, account acquisition, penetration, and retention across the SMB, Mid-Market, and Enterprise segments.

Eric joined SHI in 2010 after spending eight years with Softchoice in a variety of sales and sales leadership roles. He holds a Bachelor of Science in Marketing from The University of Georgia..

Tom is an IT solutions industry executive with over 25 years serving in executive CEO, CRO, COO, Channel Management, and other senior executive roles. At SHI he is responsible for leading the Strategic business unit as well as Inside Sales and SHI’s Canadian operations.

Brian is an experienced people leader with a demonstrated history of execution in technology sales. In his current role, he is responsible for Commercial and SMB sales, alongside Sales Enablement for SHI.

Since joining SHI in 2012, Brian has held a variety of sales, technical, and leadership roles. In the process, he's become adept at building teams, developing leaders, creating efficient sales processes, and delivering a best-in-class customer experience.

Brian is a graduate of the University of Houston and currently resides in Austin, TX.

As Vice President for Inside Sales, John D'Aquila oversees a team of more than 350 inside sales employees responsible for day-to-day sales and customer support activities with a focus on ever-increasing growth, efficiency and collaboration.

John joined SHI in 2001 as an accounts receivable representative. He later supported SHI's e-commerce platforms in various roles for 13 years before taking over the Enterprise inside sales department.

John graduated from Kean University with a Bachelor of Science in management science and a Master of Science in management information systems.

Ryan Sheehan is responsible for the Pre-Sales Solutions Engineering organization, Post Sales delivery & MSP practices, as well as overall technical strategy for SHI's Corporate sales teams.

Ryan joined SHI in 2009 after a three-year stint at Softchoice. Prior to that, Ryan spent nearly 10 years in IT leadership for a dynamic financial services company in Austin, TX.

Ryan received his Bachelor of Science in Electronic Engineering Technology. He is involved in foster care and enjoys volunteering in his local community.

As Vice President of Operations, Steve Alt oversees the operation and maintenance of SHI's buildings and infrastructure. His responsibilities include real estate, facilities maintenance and operation of the SHI Integration Center, including warehousing, configuration and returns.

Steve joined SHI in 1994 as an inside sales representative and quickly became a manager. In response to the growing size and scope of SHI's sales organizations, Steve founded the SHI facilities department which today manages 33 SHI locations worldwide, including our HQ locations, corporate Austin call center and the Integration Center.

Before coming to SHI, Steve served honorably in the United States Army and graduated magna cum laude from Kean University with bachelor's degrees in political science and public administration.

Drew leads the Customer Success and Acquisition (CSA) organization, which is home to 200 overlay sellers. This group is responsible for providing subject matter expertise around the strategic partner agreements for Microsoft, Amazon Web Services (AWS), Google, Cisco, VMware, and security.

After joining SHI in 2014, Drew has spent the majority of his SHI career building and leading teams that support Microsoft EA, SCE, and CSP agreements, also providing professional and managed services expertise.

Drew holds a BBA in Marketing from the McCombs School of Business at the University of Texas in Austin and has called Austin home for the last 13 years.

With over thirty years of IT and management experience, Mary Anne leads our Integration Data Center Services practice with an eye on emerging technologies that will strengthen our rack integration capabilities. She leverages her broad, functional experience to solve complex problems and pursue strategic objectives by aligning people and crafting effective solutions.

Prior to joining SHI in 2011, Mary Anne spent eight years with Hewlett Packard Enterprise and fifteen years with AT&T honing her technical skills. Mary Anne holds a Master of Communication and Information Studies degree from Rutgers University.

Lane Shelton is a seasoned veteran in the tech industry with over 26 years of experience. Lane's journey with SHI began in 1996, starting as an inside sales representative. Through 2006, he served in various roles such as a global account executive, Director of European Operations, and Director of Strategic Planning. He returned to SHI in 2022 to build and lead the Microsoft and Software Advisory Group. He and everyone on his team are passionate about helping SHI’s clients optimize their technology investments.

As Senior Vice President, Asia Pacific, Celeste Lee's primary responsibility is to expand SHI's international sales and support capabilities around the globe. From SHI's Northern California office, Celeste oversees a highly skilled global team of Enterprise Account and Inside Sales Representatives who deliver SHI's software, hardware and IT professional services solutions to end users of the largest corporations around the world.

Prior to joining SHI in 1992, Celeste was a Public Relations manager with the Korea Explosives Group, a Managing Director for Korea Business World, a manager of Mergers and Acquisitions at SCI and an Assistant Vice President at Bank of America. She received her Bachelor's degree from Ewha Women's University in Seoul, Korea and a Master's from Harvard University.