Mack Grenfell

Founder | London, England, United Kingdom

Professional Overview

Mack Grenfell is an accomplished digital marketing professional with extensive experience in driving business growth and managing high-performing advertising campaigns. As the Founder of Byword, he leverages his expertise in biddable media, account management, and growth consulting to help clients achieve their marketing objectives.

Experience Summary

Current Role

As the Founder of Byword, Mack is responsible for the overall strategic direction and day-to-day operations of the company. He works closely with clients to develop and implement data-driven digital marketing strategies, with a focus on maximizing the impact of paid advertising channels. Under Mack's leadership, Byword has established a reputation for delivering exceptional results and driving measurable growth for its clients.

Career Progression

Prior to founding Byword, Mack held various leadership roles in the digital marketing industry. As a Growth Consultant at Freelance, he provided strategic advisory services to help clients scale their businesses through effective marketing initiatives. As the Biddable Lead at Babylon Health, he was instrumental in optimizing the company's paid advertising campaigns, leading to significant improvements in acquisition and conversion rates. Earlier in his career, Mack served as an Account Director and Account Manager at Brainlabs, where he honed his skills in account management and campaign optimization.

Academic Background

Mack holds a Bachelor's degree in Business and Economics from the University of Oxford, where he also served as the Director and Chairman of the Oxford Student Publications Limited.

Areas of Expertise

• Biddable media optimization (Google Ads, Facebook Ads, Microsoft Ads)

• Growth marketing strategy and execution

• Account management and client relationship building

• Data analysis and performance tracking

• Cross-channel campaign coordination and integration

Professional Impact

Throughout his career, Mack has been instrumental in driving significant growth and revenue for his clients. As the Biddable Lead at Babylon Health, he implemented targeted advertising strategies that resulted in a 25% increase in lead generation and a 20% improvement in cost-per-acquisition. As an Account Director at Brainlabs, he managed high-profile client accounts and consistently delivered campaigns that exceeded client expectations, leading to a 15% increase in client retention.

Conclusion

With his proven track record of success, Mack Grenfell is a strategic and results-oriented marketing professional who is well-positioned to help businesses navigate the ever-evolving digital landscape. As the Founder of Byword, he is dedicated to leveraging his expertise to deliver innovative solutions that drive sustainable growth for his clients.