Four decades of combined leadership experience driving growth, performance and transformation.

Who we are


Sprint Partners is led by James Thomlinson and Lynn Louca, bringing 40+ years of senior global agency and brand experience across consumer, corporate, B2B, public affairs and geopolitical sectors.

We’ve won multiple awards for building agencies, scaling teams, launching new offers and leading high-impact campaigns across the UK and Middle East.

We combine senior strategic counsel with hands-on delivery to help businesses move faster and grow smarter.

Why we exist


We understand the pressure of scaling a business and how growth, marketing and business development can quickly lose focus.
That’s why we provide experienced, flexible support for ambitious agencies, brands and leadership teams looking to:
Accelerate growth
Sharpen positioning
Modernise operations
Build stronger teams

Trusted counsel

Honest perspective

Practical delivery

Our Team

A senior-led team and network spanning strategy, growth, creativity, and AI.

James Thomlinson

Lynn Louca

Martin Dennison

Muhsin Hussain

Callum Phelps

Sarisha Ganesan

James Thomlinson

James Thomlinson

Founder & CEO

James Thomlinson is the Founder of Sprint Partners. With 20+ years leading global communications agencies across EMEA – including EMEA Managing Director roles at Havas and One Green Bean – he brings deep operational, commercial and strategic expertise to agency and brand leadership challenges. His track record spans new business launches, rebrands, acquisitions, earn-outs and international expansion, with clients including Apple, Samsung, Heineken and Porsche. Named one of the UK's Top 50 Independent Consultants in 2026.

Lynn Louca

Lynn Louca

Partner

Lynn Louca is a Partner at Sprint Partners. With 20+ years helping agencies and brands drive commercial growth, she brings deep expertise in business development, positioning and marketing strategy. Formerly a Board Director and Head of Growth at WPP-owned Clarion Communications, she helped deliver consecutive years of double-digit growth and a 75% pitch conversion rate. Her experience spans Consumer and B2B Communications for household names including Aldi, Diageo, St Pancras and Unilever.

Martin Dennison

Martin Dennison

Design Director

Martin Dennison is Design Director at Sprint Partners. With more than 25 years’ experience across leading creative agencies including We Are Social, Ogilvy, AMV and Havas, he specialises in brand identity, rebranding and creative direction. Martin has recently led the repositioning and visual transformation of agencies including The Romans, Splendid Communications and Luther Pendragon. He combines strategic insight with exceptional creative craft to create distinctive brands that drive growth, recognition and lasting impact.

Muhsin Hussain

Muhsin Hussain

AI & Automation Consultant

Muhsin Hussain is an AI & Automation Consultant at Sprint Partners. A computer science graduate and entrepreneur from an early age, he began buying, rebuilding and selling computers at just 12 years old. Today, he specialises in helping agencies and brands harness AI, automation and workflow design to improve efficiency, productivity and growth. Muhsin combines technical expertise with commercial thinking to build practical solutions that streamline operations, enhance output and future-proof organisations.

Callum Phelps

Callum Phelps

Marketing Executive

Callum Phelps is a Marketing Executive at Sprint Partners. A Loughborough University English graduate and semi-professional footballer, he combines creativity, discipline and a performance mindset. His experience includes campaign and content support for organisations including The Park Agency and Aerial Collective. At Sprint Partners, Callum helps agencies strengthen their marketing function through prospect identification, CRM management, outreach campaigns, website content creation and LinkedIn marketing, supporting sustainable growth and new business performance.

Sarisha Ganesan

Sarisha Ganesan

Marketing Executive

Sarisha Ganesan is a Marketing Executive at Sprint Partners. Currently studying Sociology at Loughborough University, she has gained hands-on experience in social media marketing through roles at Tottenham Hotspur and The Social Agency. Her expertise spans content creation, influencer partnerships, community management and performance analytics. At Sprint Partners, Sarisha supports clients with social media strategy, content development, audience engagement and digital marketing programmes designed to build visibility, strengthen brands and drive growth.

Why Sprint Partners?

The name comes from James’ background representing Great Britain as an age-group sprint triathlete.

High-performing businesses are built on the same focus, resilience and consistency under pressure demanded by elite sport.

Insights

We stay close to what’s driving growth across agencies and brands. As an official PRCA growth partner in the UK and Middle East, 
we deliver practical insights you can act on.

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