Our team at the helm

Nayaki Nayyar, Chief Executive Officer

Nayaki is a seasoned executive with over 25 years of deep industry experience in driving transformation, innovation and growth at large enterprise software companies. As CEO of Siteimprove, she spearheads the company’s vision and strategy, accelerating its market leadership as an AI-powered SaaS-platform delivering digital content experiences that are compliant and accessible. Previously, as CEO at Securonix, she successfully led the company through rapid transformation and innovation to become one of largest unicorns to address cybersecurity challenges faced by organizations globally. Over the course of her career, she has driven significant growth at companies like Ivanti, SAP, and BMC Software, leading to strategic expansions and technological advancements. Nayaki currently serves on the boards of Fortune 500 companies TD Synnex (NYSE: SNX) and Corteva Agriscience (NYSE: CTVA).

Martin M Fitzpatrick, Chief Financial Officer

Martin has over 25 years of experience in the enterprise software space, having served in senior leadership positions in both private and public companies over multiple industries. As CFO of Siteimprove Martin is responsible for managing the core financial business planning and reporting process of the company, leading the global controller organization, supporting the CEO and his executive management team with strategy development, growth and value creation. He also has responsibility for the IT and legal functions. Prior to joining Siteimprove, Martin was Chief Financial Officer of Shift-Technology SAS, a PE backed hyper growth SaaS company in Insurtech, and for LLamasoft Inc., a leader in AI-based supply chain and decisioning software. Martin has also held finance leadership positions in Qlik Technology, JP Morgan Chase, Microsoft and Braun. Martin is a member of the Chartered Institute of Management Accountants (CIMA/CGMA) and holds a Master of Science degree in Information Technology from Dublin City University and an MBA from Singapore Management University (SMU).

Gary Higgins, Chief Revenue Officer

Gary brings over 25 years of experience and a remarkable track record of scaling business development, global sales, and customer success across leading enterprise B2B organizations. He is passionate about helping customers realize the full value of the Siteimprove platform and successfully navigate their journeys in strategically deploying accessibility, SEO, and analytics to deliver world-class digital experiences. As Chief Revenue Officer, Gary leads the company’s Go-To-Market functions, including business development, sales, customer success, customer support, and channel and technology partnerships. He also oversees professional services and revenue operations, ensuring a seamless customer journey and strong revenue growth. Prior to joining Siteimprove, Gary held senior leadership roles at industry-leading SaaS companies such as Adobe, Zuora, Salesforce, and Endeca (acquired by Oracle), where he spearheaded value-based, customer-centric initiatives that drove meaningful business outcomes.

Christy Marble, Chief Marketing Officer

Christy is a visionary marketing executive with deep expertise in scalable growth across B2B and B2C companies. She is a category creator with a passion for innovation across the full customer lifecycle. Christy is the CMO at Siteimprove where she leads global brand expansion, market leadership, and revenue acceleration. With a CMO track record of scaling go-to-market teams and strategies, she has shaped industry leaders like SAP Concur, Visier, Pantheon, Vertafore and Sallie Mae, scaling revenues from $60M–$120M+ to over $1 billion. A change agent and board advisor to AI-driven startups and the Sales and Marketing Strategy Institute (SAMS), Christy excels in redefining market categories, driving SaaS monetization, and elevating the full customer experience for sustainable growth. She holds an MBA from UCLA Anderson, a BA from Pepperdine, and executive certifications from MIT Sloan and Kellogg Northwestern's CMO Executive Education program.

Kalvin Brite, Senior Vice President of Product

Kalvin is a dynamic product leader focused on driving company growth and revenue by creating products that customers love and value. His expertise spans every stage of the product lifecycle. As Senior Vice President of Siteimprove’s product organization, Kalvin oversees all aspects of product development and management. Kalvin brings extensive product leadership experience, from prior roles at Contentful, Twilio, and SendGrid. Most recently, he served as the Vice President of Product at Contentful, where he established and grew the U.S. product organization, launched Contentful Studio Experiences, doubled the company’s ecosystem integrations, and led a strategic shift toward an AI-powered digital experience platform. This initiative included the acquisition of Ninetailed and the launch of AI Actions, contributing to the company's growth to over $200 million in revenue. Prior to that, Kalvin held product leadership roles at Twilio, where he expanded its marketing automation platform to serve over 20,000 customers, and at SendGrid, where he directed pricing, data science, and product strategy through the company’s growth years and IPO. He enjoys building high-performing teams and developing actionable product strategies from discovery to launch. He holds an MBA and a Bachelor of Science from the University of Denver and product leadership certifications from CPO Accelerator and Silicon Valley Product Group.

Britt Provost, Chief Human Resources Officer

Britt is a people and talent executive with over 20 years of experience in the global and growth tech space. As CHRO of Siteimprove, she ensures that the company delivers progressive career experiences and programs for the community through the daily efforts of her team of HR professionals. Her previous roles include Chief Human Resources Officer at Accolade, Promethean, and Apptio, as well as extensive experience as a strategic advisor with senior executives, boards of directors, and compensation committees. Britt earned her bachelor’s in art history from the University of Washington and her MBA from the University of Colorado.

Clay Garrard, SVP Engineering

Clay Garrard is the Senior Vice President of Engineering at Siteimprove, where he oversees all aspects of engineering and platform operations. With over two decades of experience, Clay is a seasoned technology executive known for driving operational excellence, fostering innovation, and delivering transformative business results. Throughout his career, Clay has led large-scale cloud migrations, spearheaded cost-saving initiatives, and built high-performing teams to achieve measurable outcomes. As an entrepreneur, he founded and successfully sold his company to Microsoft, highlighting his ability to deliver value at the intersection of technology and business. Passionate about collaboration, automation, and aligning innovation with business goals, Clay combines strategic vision with hands-on expertise to ensure scalable, impactful results. His journey from software engineer to entrepreneur to executive leader reflects a commitment to mentorship, continuous improvement, and the pursuit of excellence.

Robbie Roberts, Chief Information Officer

With a career spanning over two decades, Robbie is a seasoned technology leader known for driving technical business transformation and fostering operational excellence in competitive market sectors. His extensive experience includes providing technical leadership to facilitate business growth, notably overseeing all technical and operational aspects of software delivery, ensuring the delivery of robust platforms that meet both customers and internal stakeholders' expectations. In his current role as Chief Information Officer (CIO) at Siteimprove, Robbie leads teams and functions in DevOps, Infrastructure, Security, Corporate Technology, and Business Systems across key regions including the UK, the US, Denmark, and Portugal. Additionally, he is responsible for the delivery of Siteimprove compliance programs, ensuring adherence to regulatory standards and industry best practices. Robbie’s previous roles include Senior Director of Technical Operations at Thomson Reuters, VP of Global Technical Operations at HighQ, Director of Infrastructure at Zoopla, and Head of IT at Aerandi.

Mads Sørensen, General Counsel

Mads Sørensen is the General Counsel of Siteimprove, overseeing Siteimprove’s global legal organization including contracts, compliance matters, corporate governance, risk management, vendor management and M&A support. Prior to Siteimprove, Mads was an Attorney at Plesner working with EU and Danish competition law matters as part of the EU and competition law team. Mads earned a Bachelor of Laws and Master of Laws from the University of Copenhagen.