Jen Spencer is a growth executive, keynote speaker, and author with more than 20 years of experience scaling SaaS and services companies. As Chief Growth Officer at Booth — the people-first global talent and managed outsourcing company — she owns the full revenue engine across sales, marketing, and client success, and leads its market-diversification and AI-enabled growth strategy.

Previously, as CEO of SmartBug Media, she grew one of North America's fastest-growing marketing agencies from roughly 50 to 300+ people through multiple acquisitions, following senior roles at Allbound and nettime solutions.

Her debut book, Lead Anyway: How to Build the Career You Want When the Rules Weren't Written for You (Life Sized Publishing, 2025), reframes leadership as presence over perfection.

At Horizon, Jen brings a practitioner's view of aligning sales, marketing, and service into one revenue strategy built for the AI-driven future.

Adam Wainwright is a revenue leader, product builder, and investor focused on helping go-to-market teams sell smarter, forecast better, and scale with confidence.

He currently serves as Director of Product Management at HubSpot, where he helps build products that support revenue teams across the customer lifecycle. Before HubSpot, Adam held senior revenue leadership roles at Cacheflow and Clari, where he worked at the intersection of sales execution, revenue strategy, forecasting, and enterprise growth.

Across his career, Adam has helped teams navigate complex sales motions, improve pipeline visibility, and build more efficient revenue processes. His background spans product management, revenue leadership, enterprise sales, and sales development — giving him a practical perspective on what revenue teams actually need to grow.

Adam is also an investor in early-stage companies, including CustomerBase.ai, and brings a strong point of view on how technology, data, and better workflows can help teams reduce friction and create stronger customer experiences.

Christopher Nault is the Founder and CEO of Growth, an Elite HubSpot Partner helping companies navigate growing pains through better systems, stronger teams, and smarter use of technology.

With nearly 20 years of leadership experience, Christopher has helped organizations modernize how they sell, market, serve customers, and scale operations. His work sits at the intersection of revenue strategy, HubSpot implementation, AI enablement, and change management.

At Growth, Christopher leads a team of specialists across sales operations, revenue operations, marketing operations, website operations, and AI implementation. Together, they build HubSpot-centric growth systems that create clarity, improve adoption, and help companies turn ambitious goals into measurable momentum.

Christopher is especially passionate about the human side of growth: the leadership, mindset, and operational discipline required to turn change into progress. Through Horizon, he brings revenue leaders together for honest conversations, practical learning, and the space to rethink what sustainable growth should look like.