Our Team
Virtana is the hybrid IT infrastructure management leader, delivering the deepest observability platform to ensure availability, efficiency, and resiliency across complex environments.
Executive Leadership
Paul Appleby, Chief Executive Officer – LinkedIn
Paul Appleby is president and CEO at Virtana, the leader in hybrid, full-stack infrastructure observability. His expertise in scaling high-growth businesses fuels Virtana’s mission to advance observability for AI-powered and hybrid IT environments, establishing the company as a trusted partner to Global 2000 enterprises. A seasoned technology executive, Paul has a proven track record of building high-performing teams and driving profitable growth across AI factories, IT infrastructure, cloud platforms, and enterprise applications at some of the industry’s most respected companies.
Prior to joining Virtana, Paul held leadership roles at Elastic, SAP, Salesforce, and BMC, where he led customer-focused teams and shaped successful growth strategies.
Paul splits his time between San Francisco and New York, where he enjoys spending time with his two college-aged children. He serves on the board of the John Maclean Foundation and is an avid surfer, skier, and cyclist.
Connect with Paul for real-time industry insight on LinkedIn
Kate FitzGerald, Chief Revenue Officer – LinkedIn
Kate FitzGerald brings over 30 years of senior leadership experience in the enterprise software industry to Virtana. As the CRO, Kate is responsible for driving revenue growth and leading global business initiatives. She has a distinguished career, having held key positions at industry giants such as Elastic, Leanplum, Marketo, Oracle, and Salesforce.
Kate’s expertise lies in building and leading world-class revenue generation teams, fostering a consistent winning culture, and achieving significant business growth. Her deep understanding of the B2B enterprise technology landscape, combined with her experience with 10 different startups, uniquely positions her to drive Virtana’s expansion and innovation.
Known for her strategic vision and operational excellence, Kate is dedicated to fostering a positive and high-performance culture. Her leadership is instrumental as Virtana accelerates its mission to deliver cutting-edge AI-powered monitoring and observability solutions for hybrid cloud environments.
Connect with Kate for real-time industry insight on LinkedIn
David Stack, Chief Financial Officer – LinkedIn
David Stack is an accomplished financial leader with more than 20 years of experience guiding technology companies through rapid growth, market expansion, and strategic transformation. His career spans leadership roles in both large-scale enterprises and high-growth innovators, blending operational discipline with entrepreneurial agility.
Before joining Virtana, David served as CFO at HubSpot, The RepTrak Company, Qstream, and Localytics, and held senior finance roles at EMC and RSA Security. He has also advised and served on the boards of Crayon, Wellframe, and BrandYourself.
Known for his strategic vision, hands-on leadership, and deep M&A expertise, David excels at scaling operations, driving revenue growth, and aligning financial strategy with business goals—positioning organizations to capture market opportunities and deliver long-term value.
Amit Rathi, SVP Product & Engineering – LinkedIn
Amit Rathi is SVP of product and engineering at Virtana. He leads all aspects of development, testing, devops, support and cloud operations for Virtana’s products. Amit brings a strong software engineering, customer-centric background and 20+ years of experience in Virtana’s specific Information Technology Operations Management (ITOM) domain. Amit recently spent 12 years at BMC Software, building enterprise on-premises and SaaS projects, delivering customer-centric product experiences and developing high-quality products.
Throughout his career, Amit has been responsible for transforming legacy products into high-quality solutions that deliver outcomes for customers. He has built new SaaS services from scratch, and designed and created scalable architecture for enterprise solutions.
Leslie Maher, SVP Strategy & Alliances – LinkedIn
Leslie brings 20+ years of sales and general management experience, delivering data center infrastructure and as-a-service hybrid cloud solutions. As SVP of strategy and alliances at Virtana, she manages all partner routes to market, including resellers, solution providers, MSPs, systems integrations, distributors, and OEMs.
Leslie has held senior leadership positions at top technology companies, including Hewlett Packard Enterprise (HPE), Cisco, and Sun. Her diverse background includes leading large enterprise sales, specialized product sales, inside sales and SMB, channels and alliances, and product category management. In her role at HPE, Leslie was recognized by CRN as one of the 50 Most Influential Channel Chiefs and 100 Most Powerful Women of the Channel.
Leslie received her bachelor’s in computer science from the University of New Hampshire and her master’s in computer science from Boston University. She is a lifelong Boston-area resident who recently migrated south, making Florida her new home.
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