I'm a go-to-market and strategic sales leader with 13+ years of experience across HR technology, compliance, and consultative sales. For the past five years at Syndio, I've partnered with enterprise organizations to help them navigate the complexities of fair pay—bringing clarity, confidence, and measurable impact to their workplace equity strategies. Currently, I'm leading Syndio's go-to-market efforts in Europe and helping European enterprises confidently prepare and comply with the EU Pay and Transparency Directive. If you're looking seeking support and guidance on preparing for the EU Pay and Transparency Directive or want to connect on all things pay equity/transparency or go-to-market strategy, let’s connect.

With over 10 years of global experience in Compensation & Benefits, Sonya is a strategic and resourceful rewards leader passionate about building equitable, data-driven, and sustainable reward frameworks. Currently serving as Senior Manager Compensation & Benefits at Holcim, she leads global initiatives spanning senior leadership compensation, pay equity, and living wage strategies. Her career, spanning Holcim, OC Oerlikon, the Adecco Group, and EY, reflects deep expertise in executive remuneration, job architecture, and global grading. A strong advocate for fairness and inclusion in rewards, Sonya combines analytical rigor with a collaborative leadership style to deliver impactful, future-ready solutions that align people, purpose, and performance.

Holly Hamilton is the Director of Global Rewards at Amadeus, a leading global travel technology company in the IBEX35. In her role, Holly oversees a wide spectrum of strategic reward initiatives, including executive and board compensation, equity and incentive plan design and operations, global benefits and mobility, pay transparency, and broad-based reward strategy. With a career spanning several top-tier technology firms across the US and UK, Holly brings deep expertise in job architecture, competitive benchmarking, HR transformation, M&A, and change management. She has successfully led Reward functions for both American and British companies, advising on organizational design, IPO and de-listing reward matters, mergers, acquisitions, and HR transformation. Holly began her career as a US tax attorney specializing in employee benefits, before transitioning into executive compensation, corporate governance, and equity plans. She holds a Doctorate in Law from Emory University School of Law and is a dual US/UK national, combining legal acumen with strategic HR leadership. Her global perspective and multidisciplinary background make her a trusted voice in shaping agile and forward-thinking reward strategies in today’s dynamic business landscape.

Syndio is the industry pioneer in global pay transparency solutions, helping organizations achieve pay equity, streamline reporting, and make smart pay decisions at scale. Through its enterprise-grade solutions and embedded expertise, Syndio empowers companies — who collectively represent over 10 million employees — to stay on top of compulsory requirements, develop custom strategies, and deliver results faster and more cost effectively. Join the more than 300 companies, including 30% of Fortune’s Most Admired Companies, who’ve chosen Syndio as their trusted pay transparency partner.

As the leading partner for sustainable construction, Holcim is decarbonizing building for a net-zero future. We offer high-value Building Materials and Building Solutions to serve customers across the built environment – from infrastructure and industry to buildings. Holcim offers everything from decarbonized cement and circular aggregates to energy-efficient building systems and high-performance concrete and surfacing.

We make the experience of travel better for everyone, everywhere by inspiring innovation, partnerships and responsibility to people, places and planet. Our technology powers the travel and tourism industry. We inspire more connected ways of thinking, centered around the traveler. Our platform connects the travel and hospitality ecosystem. We are making travel a force for social and environmental good. We are passionate about travel. With a unique perspective, at the heart of our industry, we are redesigning the travel of tomorrow.