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SundaySky, a leading AI-powered enterprise video platform, has announced strategic executive appointments to bolster its leadership team, positioning the company for accelerated growth in 2025. The new hires, including Tammy Martin as Chief Financial Officer, Mark Flaharty as Chief Commercial Officer, Brendan Cournoyer as Vice President of Marketing, and Dan Sylvester as Chief Revenue Officer, bring extensive SaaS expertise to enhance SundaySky’s video personalization solutions.
SundaySky appoints Tammy Martin as CFO, with 25+ years in tech finance.
Mark Flaharty named CCO to lead video advertising growth strategies.
Brendan Cournoyer joins as VP of Marketing to expand customer engagement.
Dan Sylvester promoted to CRO, driving revenue and customer success.
Leadership moves aim to scale SundaySky’s AI-powered video platform.
Team brings proven SaaS expertise to enhance enterprise video solutions.
SundaySky’s new executive appointments signal a focus on scaling its AI-driven video platform for enterprise customers. “SundaySky is entering a period of strategic momentum, driven by innovation, customer success, and focused commercial execution,” said Marc Zionts, CEO of SundaySky. “Tammy, Mark, Brendan, and Dan bring the leadership, experience, and energy needed to execute with precision and accelerate growth across key verticals. I’m excited to welcome them to their new roles and look forward to the value they will bring to our customers, partners, and the business as a whole.” These hires strengthen SundaySky’s position in the competitive enterprise video software market.
Tammy Martin, appointed as Chief Financial Officer, brings over 25 years of financial leadership in high-growth technology companies. Previously CFO at Seeq, Martin secured $300 million in funding rounds, achieving 75x business growth. Her experience includes leading acquisitions and exits at companies like ABCYa and Lighthouse Computer Services. Martin’s expertise in SaaS metrics and capital efficiency will drive SundaySky’s financial strategy as it expands its product offerings and market presence.
Mark Flaharty, named Chief Commercial Officer, returns to SundaySky after serving as its COO in 2020. He will lead growth strategies for SundaySky Advertise, the company’s personalized video advertising solution. With prior leadership roles at Google, Criteo, Yahoo, and Piano.io, Flaharty’s digital media expertise will enhance measurable outcomes like sales, brand loyalty, and return on ad spend for enterprise clients.
Brendan Cournoyer joins as Vice President of Marketing, bringing experience from Building Engines, where he drove 53%+ annual pipeline growth, leading to its acquisition by JLL in 2021. Previously, he led marketing at Brainshark, acquired by BigTinCan. Cournoyer will oversee demand generation, brand, and product marketing to expand SundaySky’s customer base and strengthen its market position in video personalization.
Dan Sylvester, promoted to Chief Revenue Officer from Senior Vice President of Revenue, has been instrumental since joining SundaySky in 2018. He built the National Accounts business unit, scaling it to millions in annual recurring revenue. With prior experience managing $50 million in annual revenue at PSP Sports, Sylvester will lead new business acquisition, customer retention, and partnerships to drive SundaySky’s revenue growth.
SundaySky’s strategic executive appointments in 2025 position the company to lead the enterprise video software market. With a seasoned leadership team driving innovation and commercialization, SundaySky is well-equipped to deliver scalable, AI-powered video solutions that transform customer engagement for global enterprises.
SundaySky empowers the world’s leading enterprises to engage customers, share knowledge, and grow their businesses through scalable, personalized video experiences. More than just another video tool, our AI-powered, all-in-one platform is designed to meet the evolving needs of today’s most dynamic and fast-growing companies. From creation and editing to personalization and performance, SundaySky brings together every essential capability in one easy-to-use solution – no video skills required.
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