Kate Busby| ESEI Faculty 

As a seasoned Fractional CMO, Board Advisor, and Marketing Educator and Mentor, I specialize in driving messaging-to-revenue strategies through global rollouts and effective localization. With a proven track record of delivering over 40% year-on-year ARR growth, I bring deep expertise in managing budgets exceeding $12 million. My work is grounded in aligning strategic vision with execution, enabling sustainable growth across diverse markets and teams.

Current Position

Kate is a Fractional CMO at Zealy, working closely with AI and service companies to develop and execute effective go-to-market strategies. She leverages her expertise to help these businesses successfully position themselves in competitive markets and accelerate growth.

Kate Busby’s Core Expertise

Fractional CMO & Growth Strategist: Kate drives over 40% ARR year-over-year growth by leading strategic global rollouts, messaging frameworks, and managing $12M+ annual budgets.

EdTech & Mission-Driven Companies: She specializes in partnering with purpose-driven Pre-Seed to Series B companies, delivering measurable revenue growth through tailored go-to-market strategies.

Paid & Earned Media Campaigns: Expert in designing omnichannel campaigns that maximize impact using A/B-tested insights and performance-driven execution.

AI-Driven Marketing & Data Analytics: Proficient in leveraging AI-enhanced campaign testing, prompt engineering, and data analytics to optimize copy, creative, and workflows.

Brand Building & Performance Marketing: Combines brand strategy with performance marketing tactics to unlock scalable and sustainable growth.

Global Market Scaling: Proven success scaling brands internationally, including leading campaigns that dethroned industry giants and doubled lead generation while maintaining CAC targets.

Social Media Strategy & Training: Experienced in designing and delivering social media training programs for large enterprises, driving massive reach and customer acquisition.

Mentorship & Collaboration: Mentored by growth leaders from Apple, Nike, and Duolingo, bringing insights from top-tier brands to drive innovative marketing solutions.

Teaching Specialities

Kate brings her extensive expertise as a Fractional CMO to the table, guiding purpose-driven EdTech and mission-driven companies from Pre-Seed to Series B through data-driven go-to-market strategies. She specializes in leveraging AI-enhanced marketing, omnichannel campaigns, and performance analytics to drive measurable revenue growth and global brand scaling. Her approach equips businesses with the tools and insights needed to outperform competitors and achieve sustainable growth in competitive markets.

Impact on Students

Under Kate’s guidance, leaders and teams in EdTech and mission-driven companies gain more than just marketing strategies. They learn to craft data-driven growth plans, leverage AI-powered insights, and execute global campaigns that deliver real revenue impact. Kate’s hands-on approach and deep industry experience prepare organizations not only to compete but to lead in fast-evolving markets. Her mentorship is a transformative asset, empowering the next generation of growth-focused marketing leaders to drive scalable, sustainable success.

Why ESEI?

Choosing ESEI means immersing yourself in an innovative learning environment that blends international business expertise with real-world applications. ESEI’s commitment to fostering critical thinking, creativity, and practical skills equips students to excel in a rapidly changing global market. With a diverse, multicultural community and strong industry connections, ESEI offers the perfect platform to build a successful career and become a leader in today’s competitive business landscape.

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