Meet our team

Sam King

CEO

Sam King is a pioneering technology executive known for scaling companies and driving innovation, with experience spanning venture-backed, publicly traded, and private equity-backed companies. She became Chief Executive Officer of Nasuni in April 2025, a category leader in enterprise unstructured data management for enterprise teams and the AI that supports them. Since then, she has led the company through a period of significant growth, completing two strategic acquisitions, rebranding to reflect expanded market and category leadership, and growing the team and operating footprint globally.

Sam previously served as CEO of Veracode (2019–2024), where she evolved the company into an AI-driven application security platform, expanded internationally, and achieved market-leading profitable growth through strategic M&A and innovation. A founding member of Veracode in 2006, she led the company through multiple ownership transitions and successive transactions culminating in a multi-billion-dollar exit. Earlier in her career, she held leadership roles at VeriSign and Guardent, where she helped establish the managed security services category and bring a new model for enterprise security to market.

Sam serves on boards including Progress Software (NYSE: PRGS), where she chairs the M&A committee, and Mass General Physicians Organization. She is Chair of the Mass Technology Leadership Council and a longtime advocate for the Boston technology ecosystem, working to strengthen the region’s talent pipeline and its standing as a global hub for innovation. She is also a member of the Aspen US Cybersecurity Group and the Massachusetts STEM Advisory Council. Recognized as one of The Boston Globe’s 2025 Tech Power Players, EY Entrepreneur of the Year, and Executive of the Year by the Executive Women’s Forum, she is a frequent keynote speaker on enterprise growth, AI, security, and leadership.

Andres Rodriguez

Founder

Andres Rodriguez is the Founder of Nasuni, a serial entrepreneur and technologist whose career has been defined by pioneering new approaches to how enterprises store, protect, and access data. He founded Nasuni in 2009 with the vision of delivering enterprise file services on top of cloud object storage, an idea born from his experience leading digital transformation at the New York Times. Today, he continues to advise the company as it evolves from its original cloud file storage roots into the comprehensive unstructured data platform it is today.

Before Nasuni, Andres founded Archivas, creator of the first enterprise-class cloud storage system. Acquired by Hitachi Data Systems, Archivas became the basis for the Hitachi Content Platform (HCP). After supporting the worldwide rollout of HCP as Hitachi’s CTO of File Services, he turned his attention to building Nasuni. Earlier in his career, Andres served as CTO at the New York Times, where his ideas for digital content storage, protection, and access took shape. He joined The Times through its acquisition of Abuzz, the pioneering social networking company he co-founded.

Andres holds numerous patents and earned a Bachelor of Science in Engineering and a Master of Physics from Boston University.

Alison Bayiates

Chief People Officer

Alison Bayiates is Chief People Officer at Nasuni, where she leads the company’s people strategy through a period of rapid growth and global expansion. She brings more than 20 years of experience building high-performing organizations and shaping culture at scale, with responsibility spanning talent, organizational development, and the systems that support Nasuni’s growing worldwide footprint.

Before Nasuni, Alison spent nearly nine years at Veracode, where she held roles of increasing scope across talent management before serving as Chief People Officer, guiding the people organization through multiple growth stages and ownership transitions. Earlier in her career, she held leadership roles at RSA, where she led the organization through large-scale enterprise and private equity integrations.

Nick Burling

Chief Product Officer

Nick Burling is the Chief Product Officer at Nasuni where he is responsible for defining and executing on the roadmap for Nasuni’s portfolio of innovative hybrid cloud storage offerings, and for developing an ecosystem around those offerings to maximize Nasuni’s value for our customers.

Nick Burling is Chief Product Officer at Nasuni, where he leads the company’s product strategy at the intersection of enterprise data management, cloud infrastructure, and AI. He is responsible for shaping Nasuni’s vision for how organizations manage, protect, and activate unstructured data for enterprise teams and AI at scale. This includes expanding the company’s capabilities for continuous cost optimization and protection, while empowering compounding workforce productivity through AI-optimized unstructured data.

An accomplished product executive and entrepreneur, Nick brings deep experience translating technology innovation and market shifts into clear strategic advantage. His career spans leadership roles at Fortune 500 companies, including Microsoft and IBM, as well as early-stage ventures he has helped guide from launch through successful exit.

A recognized thought leader, he regularly contributes to Forbes Technology Council and other industry publications on enterprise data strategy, AI governance, and infrastructure modernization, and hosts the Mass Technology Leadership Council’s CPO Peer Group for senior product leaders.

Jerry Carter

Chief Technology Officer

Jerry Carter is an accomplished engineering leader with a strong track record of driving enterprise software transformation. His early career in open-source development and systems architecture—most notably through engineering roles at VA Linux and Hewlett-Packard—built a foundation of technical rigor and community-driven innovation. At Likewise Software, he rose from engineer to CTO, guiding multiple product pivots and helping position the company for its successful acquisition by EMC. During his 13 years at Dell Technologies, Carter led engineering for major product lines, implemented large-scale Agile transformation, and oversaw global teams while significantly accelerating release cycles and improving product quality. At Nasuni, Carter will bring a people-first, innovation-driven leadership approach to organizations seeking to scale technology, culture, and customer trust simultaneously.

David Castignola

Chief Revenue Officer

David Castignola joins Nasuni as a seasoned executive with over two decades of experience accelerating global growth and delivering exceptional customer outcomes. He has a proven track record of building and scaling high-performing teams and robust channel ecosystems.

During his 20-year career at RSA, David orchestrated the customer response program following the RSA SecurID breach. As the first CRO at Optiv, he accelerated growth by building successful go-to-market partnerships with leading security vendors. His leadership journey continued as COO at BlackBerry Cylance and CRO at Bugcrowd. Most recently, as CRO at Delinea, he was instrumental in accelerating the company’s growth following its merger, successfully integrating the go-to-market teams to drive record-breaking results.

At Nasuni, David will focus on scaling the go-to-market teams and further strengthening the company’s channel partner program, ensuring customers have the support and reach needed to confidently execute their AI strategies.

Ross Grainger

Chief Financial Officer

Ross Grainger is Chief Financial Officer at Nasuni, an experienced financial executive with a proven ability to scale B2B SaaS companies globally. He serves as a strategic partner to the leadership team, guiding capital allocation and build-vs-buy investment decisions as Nasuni scales its platform and global operations.

Ross brings an entrepreneurial perspective shaped by early experience owning and operating a business before returning to finance. He began his finance career in public accounting at RSM, then moved into leadership at WebPT, where he built the FP&A function from scratch, reduced controllable churn through improved analytics, and led the company through multiple acquisitions. Most recently, as CFO at Paradox, he helped grow revenue 25x in six years while expanding the team globally and completing five acquisitions, ultimately leading to the company’s sale to Workday.

Elyse Gunn

Chief Information Security Officer

Elyse Gunn is the Chief Information Security Officer at Nasuni where she defines and leads the global security and compliance strategy for the Nasuni portfolio of offerings and operations.

Elyse is an accomplished security and compliance leader with experience assessing, developing, and implementing enterprise security programs across a diverse field o entities, including highly regulated financial institutions, health care providers, government entities and medium & large technology organizations. Elyse has a proven track record of developing and implementing best-in-class product security, AI governance and regulatory compliance strategies.

Elyse currently serves as the at-large cybersecurity audit committee member for the Girl Scouts Council of Colorado.

Barrie Kuza

Vice President, Strategic Programs

As Vice President of Strategic Programs at Nasuni, Barrie Kuza leads cross-functional initiatives that drive growth, streamline operations, and advance the company’s most strategic priorities. She works closely with Nasuni’s executive leadership and Board of Directors to align efforts across the business.

Since joining Nasuni in 2011 as a Senior Technical Support Engineer, Barrie’s role has grown steadily, mirroring Nasuni’s growth. Barrie has held leadership roles spanning Technical Support, Customer Success, Product Management, and Customer Experience, contributing directly to the company’s evolution and scale. She is recognized for her technical expertise, customer-first mindset, and ability to build high-performing teams that deliver results.

Prior to Nasuni, Barrie developed and led support programs at Idiom Technologies and other early-stage companies. Barrie began her career as a software developer before discovering her passion for working with and supporting customers. Even in her current role, you’ll still find Barrie occasionally jumping in to help resolve a customer issue!

Barrie holds a BA in Computer Science from Brandeis University. Outside of work, she enjoys hiking, traveling, and spending time with her four children.

James Lemonias

Senior Vice President of Customer Success

James Lemonias is SVP of Customer Success at Nasuni, leading the Customer Success, Services and Support, and Customer Operations teams. Prior to Nasuni, James led Customer Success and Support at Bottomline Technologies for their high-growth product line, as they grew to $700M in revenue. Prior to that, James spent 6 years at Carbonite, a leading cloud backup and data protection company. He built their first Customer Success and Account Management teams and integrated multiple teams from acquisitions as Carbonite grew from $100M to $500M in revenue.

Anthony Miller

Chief Marketing Officer

Anthony Miller is a senior executive with extensive C-suite experience helping global B2B SaaS companies deliver measurable business value to their customers while driving high-growth transformations. His leadership has helped scale organizations from early growth to market leadership, including growing PowerSchool from 500 to nearly 3,000 employees, while consistently aligning go-to-market strategies with customer success outcomes. At PowerSchool, he led a marketing organization recognized as the 2019 CODiE Marketing Team of the Year for delivering customer-centric campaigns that drove adoption, loyalty, and measurable ROI.

Anthony’s career spans marketing, sales, business development, and general management, with leadership roles at PowerSchool, Lanyon, and Active Network. At Nasuni, Anthony leads global marketing, helping to ensure the company’s vision, solutions, and expertise are clearly aligned to customer needs.

Amanda Ray

General Counsel

Amanda Ray is the General Counsel at Nasuni, where she’s constantly energized finding innovative, AI-driven solutions. Before joining Nasuni she was Associate General Counsel at N-able Technologies, where she led privacy, AI governance, and commercial contracting. She previously supported technology incubators at Fidelity Investments and was a partner at Womble Bond Dickinson where she represented software companies. Her favorite movie is 2001: A Space Odyssey.

Dalan Winbush

Chief Information Officer

Dalan Winbush is an accomplished technology leader with over 25 years of experience driving digital transformation across enterprise IT, cybersecurity, data, and AI. He joined Nasuni as Chief Information Officer in 2025, where he leads global IT operations, enterprise systems, and infrastructure, enabling business growth through innovation, automation, and operational scale.

Prior to Nasuni, Dalan served as CIO at Quickbase, where he built and scaled a global Center of Excellence, implemented AI and GenAI to streamline operations, and established a unified data strategy that drove significant gains in customer acquisition and retention. He also held divisional CIO responsibilities at Comcast, overseeing a $300M portfolio and leading strategic initiatives in infrastructure, analytics, and digital experience.

Dalan holds a Bachelor of Science in Computer Information Systems from Regis University and serves as a board member at VonVision and First Tee. He is also a CIO Advisor at SecureX and part of the CIS Advisory Council at the University of Colorado.

Martin Taylor

Senior Managing Director and Co-Head of Foundation Fund, Vista Equity Partners

Martin Taylor joined Vista Equity Partners in 2006. Mr. Taylor is Co-Head of the Foundation Funds and sits on its Investment Committee. Additionally, Mr. Taylor serves as a member of Vista’s Executive Committee, the firm’s governing and decision-making body for matters affecting its overall management and strategic direction, and Vista’s Private Equity Management Committee, the firm’s governing and decision-making body for the overall management of Vista’s private equity platform. Mr. Taylor currently sits on the boards of AlertMedia, ARCOS, Bonterra, Critical Start, Nasuni, Integral Ad Science (NASDAQ: IAS), Jamf (NASDAQ: JAMF), NAVEX, StarRez, TigerConnect, TRG Screen and Vivid Seats (NASDAQ: SEAT) and has served on numerous other boards during his tenure.

Previously at Vista, Mr. Taylor was a Managing Director and drove a variety of cross-fund and cross-portfolio initiatives. He was the initial President of Vista Consulting Group, where he was instrumental in building and scaling the Firm’s value creation infrastructure, formalizing Vista’s portfolio engagement model and developing many of Vista’s best practices. Prior to Vista, Mr. Taylor had most recently served as a Corporate Vice President at Microsoft, where he spent over 13 years and managed corporate strategy, sales, product marketing and various segment-focused teams in North America and Latin America during that time. Mr. Taylor also served as Chief of Staff and Director of Business Strategy, working directly for Microsoft Chief Executive Officer Steve Ballmer, whom he assisted with strategic projects and long-term planning for the corporation.

Outside of Vista, Mr. Taylor is passionate about advancing access and creating opportunities for those who have traditionally been underrepresented across the business community. He sits on Milken Institute’s Executive Council for Diversity, Equity and Inclusion in Asset Management and The University of Texas President’s Austin Innovation Board that supports efforts to unlock student potential through experiential learning and strong college-to-career programming. In February 2022, Mr. Taylor made a gift donation to support UT’s Heman Sweatt Center for Black Males and help the organization expand.

Stephen Foster

Managing Director, Vista Equity Partners

Stephen Foster joined Vista Equity Partners in 2014 and is a member of the private equity Foundation team. Mr. Foster currently sits on the boards of Critical Start, ESO Solutions, LogicMonitor, Naviga and Nasuni and works with the firm’s investment in Menlo Security. He was also actively involved with the firm’s investments in AGDATA, Aptean, EAB, Mediaocean, Solera and Vertafore.

Prior to joining Vista, Mr. Foster worked at Parthenon Capital Partners, where he focused on executing buyout transactions and working with portfolio companies. Before Parthenon, Mr. Foster worked at Greenhill & Co., where he advised clients across multiple industries on mergers and acquisitions.

Education
B.S. in Management Science and Engineering, Stanford University

David Bonnette

Managing Director, Vista Equity Partners

David Bonnette joined Vista Equity Partners in 2017 and is a member of the private equity Foundation team. Mr. Bonnette serves as a member of Vista’s Private Equity Management Committee, the firm’s governing and decision-making body for the overall management of Vista’s private equity platform. Mr. Bonnette currently sits on the boards of AlertMedia, FLASH, Kibo, Nasuni, Sonatype and TigerConnect. He was also actively involved with the firm’s investments in Aptean, Lone Wolf, PeopleAdmin and Zego (Powered by PayLease). Mr. Bonnette is also active in portfolio executive development.

Prior to Vista, Mr. Bonnette was the CEO of Lanyon, which was merged with Cvent, another Vista portfolio company, upon Vista’s acquisition of Cvent in November 2016. Before joining Lanyon, Mr. Bonnette served as CEO at BigMachines for three years until its acquisition by Oracle. Mr. Bonnette has worked in the software industry for nearly 30 years, and prior to BigMachines, held a variety of executive roles at Oracle, where he led North American organizations in ERP, CRM and consulting.

Mr. Bonnette is a member of the Young Presidents’ Organization, where he serves on the advisory board and is a mentor for the Posse Foundation.

Broderick Kelley

Vice President, Vista Equity Partners

Broderick Kelley joined Vista Equity Partners in 2018 and is a member of the private equity Foundation team. Mr. Kelley currently sits on the board of Nasuni and works with the firm’s investments in Granicus, Poppulo, and Power Factors. He was also actively involved with the firm’s investments in 7ParkData, OneAdvanced and Schoox.

Prior to joining Vista, Mr. Kelley worked as a Consultant at Alvarez & Marsal.

Education
B.S. in Civil Engineering, University of Notre Dame
M.B.A. in Corporate Finance, University of Notre Dame

Hannah Baker

Director, KKR

Hannah Baker May joined KKR in 2017 and is a member of the Technology, Media and Telecommunications team focused on Growth Equity investments. Since joining KKR, Ms. May has held a number of positions including as an investor for the Tech Growth, Strategic Growth, and Real Estate teams, and a rotation as the Chief of Staff to co-CEO, Joe Bae. Ms. May is currently a member of the Board of Directors for portfolio companies NetSPI and Nasuni. Prior to joining KKR, she worked at Evercore Partners in their investment banking division and began her career in RBC’s investment banking division. Ms. May is a member of the New York Leadership Council for The Nature Conservancy, CHIEF, and a Milken Young Leader. She holds a Bachelor of Arts from Ivey Business School, Western University, Canada.

Zach Riedy

Vice President, TCV

Zach joined TCV in 2018 and focuses on investment opportunities in enterprise software with an emphasis on IT infrastructure software and cybersecurity.

He began his career as an investment banker at William Blair & Company, where he advised technology companies on M&A and equity capital markets transactions.

Zach was born and raised in East Tennessee. In his spare time, he can be found skiing out west, running and biking along the Hudson, or exploring the New York dining scene. Zach is actively involved with BUILD.org, a non-profit that exposes under-served high school students to entrepreneurship.

Zach earned his M.B.A. from Harvard Business School and graduated with a B.S.B.A. in Finance and Economics with honors from The Ohio State University.

David Campbell

Managing Director, Goldman Sachs

David Campbell is Managing Director in the Goldman Sachs Growth Equity Investing Group, focused on growth stage technology companies. He led Nasuni’s last round of financing and was a keynote speaker at Nasuni Summit 2017 discussing the state of data management and why Goldman Sachs invested in Nasuni.

Prior to joining the Investment Division, he served various roles within the Goldman Sachs Technology Division, including Manager of Systems Infrastructure in Asia, Manager of Global Storage, and Manager of Global Infrastructure Architecture and Strategy, making him the rare technology investor with real IT operating experience.

David joined Goldman Sachs in 1994 and was named technology fellow in 2002. Prior to joining Goldman Sachs, he worked in super computer research and development in Japan and operating system and real time system development in Australia.

In addition to Nasuni, he serves as a Director at Terracotta, AppSense, Applause, Surgient, SchemaLogic, ScienceLogic, MetricStream, Spiceworks, and serves on the boards of AvePoint, BackOffice Associates, and CyberArk.

David received a BS degree in Electrical Engineering and a BA degree in Japanese from Queensland University, Australia.

Kim Perdikou

Chairman, Atsign

Kim Perdikou is Chairman of Atsign, a Silicon Valley startup founded in 2019. She has served on the supervisory board of Alter Domus (a financial services company for alternative investments) since January 2021. Ms. Perdikou has also served as a member of the board of directors of CyberArk since July 2014.

Ms. Perdikou served in multiple leadership positions since she signed on at Juniper in 2000. Perdikou served as the EVP for the office of the CEO and General Manager of Juniper’s Infrastructure Products Group from 2006-2010, doubling revenue in three years to $3.2 billion. She also served as Juniper’s Chief Information Officer. Previously, she held technology-leadership positions at Women.com, Inc., Reader’s Digest, Knight Ridder and Dun & Bradstreet.

Perdikou also has a passion for mentoring future leaders, she has served as an advocate & advisor for several organizations that promote women in business, science and engineering including Fortune-State Department MPW programs & TechWomen + US Dept of State program.

She holds a Master’s degree in information systems from Pace University in New York, a post graduate degree in education from Jordanhill College. Her Bachelor’s degree is in computing science and operational research from Paisley College in Scotland.

Christina Kosmowski

CEO, LogicMonitor

As CEO of LogicMonitor, Christina is responsible for accelerating the company’s hypergrowth and delivering on its brand promise of helping C-level executives and their teams thrive through transformation. Prior to assuming the role of CEO, Christina served as LogicMonitor’s President, leading go-to-market strategy, R&D, customer success and operations. She has spent over two decades holding leadership positions in the enterprise software space and is passionate about discovering new ways to bring the worlds of technology and business together.

Christina came to LogicMonitor from Slack, where she spent four years building and leading Customer Success and Enterprise GTM Teams. Christina also spent 15 years at Salesforce, where she oversaw functions including renewals, consulting, support and customer success. In both of these roles, she helped guide her respective organizations through pivots, disruptions and rapid periods of growth, while also being a pioneer of the Customer Success practice.

Outside of LogicMonitor, Christina serves on the board of Rapid7 (NASDAQ: RPD) and is a founding partner of Operator Collective, an organization that brings together tech’s most sought-after operators, investors, and founders from diverse backgrounds to invest in and accelerate the next generation of b2b tech.

Christina holds a BS in Industrial Engineering from Northwestern University, where she was Captain of the Varsity Soccer Team, and currently sits on the McCormick School of Engineering Advisory Board. She lives in the Bay Area with her husband and two teenage daughters.