Executive Management

Roger was born in North Platte, Nebraska and raised in Rolla, Missouri. He graduated from the University of Missouri – Rolla with a Bachelor of Science in Electrical Engineering.

After graduation, Roger initially worked as an Application Engineer for Hubbell Power Systems prior to making the move into Product Management supporting a $40M product portfolio in the Americas and EMEA. His affinity for products and sales took him to Raleigh, NC where he joined NetApp as an Inside Sales Representative. Roger supported Government customers from the Air Force, Navy, Joint Commands; Departments of the Interior, Health & Human Services, and Energy before moving into an Account Manager role in Maryland solely supporting the Intelligence Community.

During his tenure at NetApp, Roger achieved over 200% of his goals for three consecutive years and was responsible for over $100M in revenue. Roger’s accomplishments were recognized with 5 President Club awards, as well as being named 2007 Account Manager of the Year for the U.S. Public Sector.

Roger brought his experience and knowledge of the Civilian Agencies, Department of Defense, and Intelligence Community to Optiv + ClearShark in 2010 and created a business unit whose focus on inception was primarily reseller business, but has since evolved to include the creation & implementation of custom technical solutions. Partnering with industry leaders such as Splunk, Nutanix, FireEye, Palo Alto Networks, NetApp, and F5, Optiv + ClearShark has recognized a 300% growth in the Sales Business Unit.

Roger’s enjoys golf, running, hunting, fishing, music, travel, spending time with his wife and two young children, and, always supporting his beloved St. Louis Cardinals.

Finn Ramsland is the Vice President of Engineering and Technology at Optiv + ClearShark. He is responsible for sales engineering, engineering services, and the company’s technical direction.   Before beginning at Optiv + ClearShark in 2010, Finn spent 20 years in sales engineering with early stage companies such as Cisco Systems, Ascend Communications, Redback Networks, Procket Networks, IronPort, and Solera Networks.  Finn began his career as a computer scientist at the National Security Agency.  He holds a B.S. in Computer Science from Towson University and an M.S. in Computer Science from the Johns Hopkins University.

Skip Liesegang is Optiv + ClearShark’s Senior Director of Partnerships and Alliance. In this role, Skip is responsible for leading Optiv + ClearShark’s strategy and direction related to all of the company’s partnerships including technology vendors, distributors, cloud service providers, business partners, and all other eco-system partner relationships.

Over a 35 plus year career, Skip has a solid track record of delivering superior sales results as a successful and seasoned executive in Sales, Marketing, Channels, and Distribution. He is a passionate and creative leader in building diverse, high performing organizations for Vendors, Solution Providers, and Aggregators/Distributors. Skip has participated in many channel advisory boards including Crowdstrike, Proofpoint, McAfee, SourceFire, Proofpoint, EMC, Brocade, and NetApp. Skip founded the Government Channel Leadership Council in 2009, an advisory committee of public sector channel executives across technology manufacturers to address common concerns, execute channel research, and define best practices for building productive channels and routes to market.

Prior to joining Optiv + ClearShark, Skip served as the Director of Channels/Distribution for the Americas at Proofpoint, Vice President of Channels/Vendor Alliances at DLT and immixGroup, and led the Public Sector channels for seventeen years at Sun Microsystems. He is a frequent industry speaker, author of articles for various IT trade publications, as well as the 2013 Computer Reseller News Channel Champion awardee. Skip is a constant learner and is always looking for ways to help deliver value through creative approaches and strong relationships, but above everything he loves to help other people grow and succeed through active mentorship and coaching. He holds a Bachelor of Science from James Madison University and a Master of Business Administration from Averett University.

Thomas Mahoney is our Vice president of Marketing, where he brings more than 20 years of marketing experience for Fortune 100 companies, with over a decade of experience in sales and marketing in the U.S. public sector.

In his role at Optiv + ClearShark, Tom is responsible for developing and executing marketing strategies to support the company’s vendor community and growth goals. He is a customer-focused leader with a passion for delivering best-in-class cybersecurity solutions. With his extensive experience in marketing and the U.S. public sector, Tom is poised to help Optiv + ClearShark achieve its mission of managing cyber risk and providing innovative solutions to modernize and secure information technology within the government.

Thomas is a recognized thought leader in the U.S. public sector marketing community, having won the GAIN Marketer of the Year Award and named one of the 2023 CRN Channel Chiefs. He has also been a guest on industry podcasts and radio shows, including Modern Marketing Today and Federal News Radio Market Chat.

Prior to joining Optiv + ClearShark, Thomas served as vice president of marketing for TD SYNNEX Public Sector, where he created purpose-built marketing programs that increased brand awareness, drove demand and generated high-quality leads for some of the largest software companies in the U.S. public sector market. Tom joined TD SYNNEX from Navient, inc. where he held the position of managing director, business development operations for government.

Jon Teunis is Director, Special Programs at Optiv + ClearShark. Prior to joining Optiv + ClearShark in 2017 Jon held similar positions at F5 Networks, Commvault and Quantum. With a B.S. in Business Administration from Towson University, and an early start in the IT industry, Jon has been involved with IT transformations in basic storage and networking to today’s secure cloud infrastructures.

Andre has a passion for delivering strategic value and brings more than 20 years of strategic IT thought leadership and experience with organizations globally. His global experience covers the entire gamut of the IT industry, including product/solution development, IT strategic consulting, operational IT management, program delivery, product/service sales and Alliance and Channels management. This experience coupled with his obsession for the delivery of strategic value to Customers puts him in a unique position as it relates to his ability to deliver critical insights and advice to IT leaders, as well as manage teams responsible for systems delivery, consulting, and solution sales either directly to end customers or through partners. Andre is a constant learner and is always looking for ways to help deliver value through innovation and excellent delivery, but above everything he loves to help other people grow and succeed through active mentorship and coaching.

Don is Vice President of Capture and Contracts Management at Optiv + ClearShark. He oversees its consulting, contracting, proposal writing and sales services to federal resellers. He has over 26 years of experience in the technology public sector, in addition to his military career, and has managed multiple federal and state, local government and education (SLED) contracts valued at over $50 billion.

Don’s work in the IT field started during his service in the United States Air Force where he began working technical roles on large Department of Defense (DoD) contracts in the 1980’s. While leading the Air Force Small Computer Technical team in providing support for over 500,000 DoD users, he acquired the technical skills desired by the private sector and, after retiring from 20 years of service, was recruited by GTSI Corporation in 1995 to run their engineering systems teams, jump-starting a successful career in proposal writing and contract management.

Throughout his career in the federal arena, Don has been employed to step in and manage government contracts for multiple companies, and has been successful in increasing their overall sales revenue. Most notably, while at CDW-G, sales revenues increased from $30 million to over $700 million, and at Micro Warehouse, revenue exceeded $400 million. During his tenure at FedStore Corporation, revenue increased from $28 to $85 million in 2 years. Additionally, he has been recognized for his extensive experience winning and managing contracts. While at Micro Warehouse, his team won and managed 40 state/local and 6 federal contracts. At Merlin International, Don was directly responsible for winning multiple federal contacts, including three NASA SEWP 4 contracts which were awarded to Merlin, Three Wire Systems, and KnightPoint.