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Comstor Canada Management Team


Andrew Warren
EVP of North America, Westcon-Comstor

With more than 15 years of executive channel experience, Andrew serves as Westcon-Comstor EVP of North America. Previously as SVP of the Westcon US Security Practice, Andrew led his team to surpass $1 billion in annual sales by strengthening vendor relationships and building new avenues for solution providers to profit in the channel. Prior to joining the company, Andrew championed sales efforts for six years at another distributor and defined sales strategies for communications vendor Evolving Systems. He also held management positions at General Dynamics and Verizon Wireless. Andrew has a B.S. in Business Administration, Marketing from Colorado State University.

Mike Kilduff
CFO of North America, WestconGroup

A finance executive with more than 20 years of experience, Mike Kilduff has spent the past 16 years in the technology industry. As WestconGroup’s CFO of North America, Mike combines innovative thought leadership with years of financial insight and expertise. He assists in supporting the transformation of this region’s market strategies and provides expert financial management through every step. Previously, Mike was VP and CFO of Managed Services at Computer Sciences Corp., leading the organization’s global finance programs and finance/supply chain consolidation. He also held positions as the VP and CFO for their Americas Outsourcing and as the finance director for their technology and consumer services sector. Mike has a B.S. in Finance from Central Connecticut State University. 

Kevin Brzezinski
VP of Operations North America, Westcon-Comstor

With more than 20 years of IT and consumer electronics experience, Kevin Brzezinski serves as VP of Operations in North America responsible for overseeing the strategies and direction of operations, supporting the growth of the organization. Kevin has served in several senior leadership roles including supply chain, logistics and distribution services. Prior to joining Westcon-Comstor, he was director of World Wide Operations for Lexmark International. Kevin holds an MBA and B.S. from the Indiana Institute of Technology and served in the United States Navy.

Siobhan Byron
VP and GM Canada, Westcon-Comstor

With more than two decades of channel management experience, Siobhan Byron is VP and GM of Canada, leading the company's operations in the region. Siobhan has rich experience in the Canadian market, coming to Westcon-Comstor from Forsythe Technology, a top information technology integrator delivering broad-based consulting services, leasing and solutions. While serving at Forsythe, Siobhan built the company's Canadian operations and launched a successful Managed Services business with superior customer service ratings. She is the recipient of multiple industry honors, including twice being named by “Computer Dealer News” as one of the “Top 20 Women of the Channel.” Prior to Forsythe, Siobhan held executive roles at MTS Allstream. She has an MBA from the University of Liverpool, as well as a B.S. in Computer Science from the University of Ulster.

Gino Cotignola
VP of Technology and Sales Operations North America, Westcon-Comstor

A seasoned leader with extensive global experience in IT and sales operations, Gino Cotignola serves as Westcon-Comstor VP of Technology and Sales Operations in North America, tasked with the integration of IT and sales to drive regional profitability. He previously was Westcon-Comstor CIO for the Americas and director of Applications charged with deriving tangible business benefits from such core IT systems as ERP and e-commerce. His advanced education includes a B.S. in Civil Engineering from Polytechnic University, a B.S. in Math and Physics from Long Island University: CW Post Campus and an MBA in Information Systems from San Diego State University.

Jay Denton
VP and GM, Comstor US

With a career spanning 25 years championing messaging and strategy at some of the market’s top companies, Jay Denton serves as Comstor Vice President and General Manager. Previously, he was Westcon-Comstor VP of Marketing in North America and VP of Marketing for the company’s Cisco-dedicated Comstor business. He comes to Westcon-Comstor after managing core functions at Cisco, Channelinsight and ICG Communications, developing a range of programs and campaigns to help VARs create incremental revenue and margin. Jay studied Economics, Business and Telecommunications at Baylor University, Arizona State University and the University of Phoenix.

Barat Dickman
VP and GM of Unified Communications and Collaboration Practice North America, Westcon-Comstor

An industry veteran with more than 20 years of channel experience, Barat Dickman serves as Westcon-Comstor VP and GM of the Unified Communications and Collaboration Practice in North America. In this role, Barat is responsible for the successful execution and strategic growth of one of the company’s most critical technology practices. He comes to Westcon-Comstor from Avaya where he led the company’s $1.6 billion global support services business. Barat also was the company’s senior director of Global Channel Programs and Go-to-Market Strategy, leading the team responsible for building the Avaya Connect worldwide channel program. He also spent more than a decade at Accenture, holding multiple client-facing roles within the company’s business consulting, strategy and business architecture lines of business. His advanced education includes a B.A. from The University of Michigan and an MBA from The Wharton School at The University of Pennsylvania.  

Carol Giles Neslund
VP and GM, Security Practice, Westcon-Comstor

With more than 25 years’ experience developing and leading successful sales and marketing teams, Carol Giles Neslund is the VP and GM of the Security Practice in North America. In this role, Carol will be responsible for building on the success of the practice by helping customers grow revenue and profits in the security market. Previously Carol was VP and GM of the Americas at Enphase Energy and VP of the North American Channel for Avaya. Prior to that, she was executive director of the Americas Channel for Seagate. Carol has also worked for IBM, StorageTek and Hitachi Data Systems. She has an MBA and a bachelor’s degree in Human Communications, both from the University of Denver.

Mary Ellen O’Brien
VP of HR North America, Westcon-Comstor

A 30-year human resources veteran, Mary Ellen O’Brien serves as Westcon-Comstor VP of Human Resources in North America leading the strategic planning, directing and coordinating of corporate employee management throughout the organization. Mary Ellen has held several executive leadership positions, including Global Human Resources VP at AT&T, Lucent and Alcatel-Lucent with the past 15 years as a change agent focused on enabling organizations to smoothly transition through culture changes. By empowering the executive population of a company to effectively adapt to change, Mary Ellen helps leaders set and execute strategy, enabling their teams to transform while maintaining the company’s effectiveness and development. Her advanced education includes a B.A. in History with a minor in English. 

Matt Karst
Senior Director - Cloud Practice, Westcon-Comstor

Mr. Karst focuses on the global cloud go-to-market and offering development strategies. With more than 25 years of sales and sales leadership experience, he has led successful teams at IBM, AT&T and DISH Network. Mr. Karst has experience across successful channel teams, and has held leadership roles in the IT, telecommunications, satellite broadcast and cloud industries. Prior to joining Comstor, he was Vice President of National Accounts, Dish Network, and Senior Vice President of North American Sales for Worldplay Communications. He also worked as a strategic consultant for a cloud-based high-capacity industrial file transfer company active in the healthcare, government, and media and entertainment industries. 

Tim Kubiak
Lead, Service Providers U.S., Westcon-Comstor

With more than a decade at Westcon-Comstor, Tim Kubiak is a founding member and now leader of the Service Provider team in the U.S. In this role, Tim is responsible for addressing the needs of this evolving partner group and driving its success throughout the region and globally. Tim joined Westcon as a member of the Leadership Team when the company formed its Voda One division (now Westcon UCC). He has more than 24 years of technology experience, starting his career selling long distance for what would become MCI and has held a variety of sales and sales development roles since then, including VP of Sales for a large reseller. Tim attended Gannon University in Erie, Pennsylvania and Geneva College in Beaver, Pennsylvania.