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Practical insight.
Proven practice.

The thinking we share here stems from real engagements, operational obstacles, strategic decisions, and, most importantly, real outcomes. We document patterns, principles, and lessons learned from clarifying businesses and aligning systems, so we can continually improve what we do for our clients and for you.  Because we hope you will be one day.

Not speculation. Not hype. Thought shaped by real work.

The thinking we share here stems from real engagements, operational obstacles, strategic decisions, and, most importantly, real outcomes. We document patterns, principles, and lessons learned from clarifying businesses and aligning systems, so we can continually improve what we do for our clients and for you.  Because we hope you will be one day.

Not speculation. Not hype. Thought shaped by real work.

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David Gascon

Chief Creative Director and Partner
David Gascon’s career blends creativity and leadership in film and advertising, underscored by his deep passion for visual storytelling. After six years of academic training in filmmaking, David has spent over two decades as a director, producer, and cinematographer, significantly influencing both fields. He also contributed to film education, teaching for seven years and directing a film school in Montreal. Transitioning his focus to design, David co-founded his agency in 2019 and rebranded as Tansley in 2021 with partners Mathieu Guérin and Erahm Christopher. As the creative director of Tansley, he is committed to empowering entrepreneurs by shaping enduring brands and fostering a collaborative environment for diverse talents to thrive. At Tansley, David embraces the opportunity to create value in a noisy world, empower entrepreneurs, and build a legacy that aligns with his personal and professional aspirations. This role allows him to integrate his passion for filmmaking and teaching with his leadership in marketing, making Tansley not just a company but an extension of his values. David is an avid traveler and photographer, capturing breathtaking scenes from Iceland to Indonesia. He enjoys camping and star gazing, which allow him to connect with nature and escape the bustle of city life. While he is happy to have achieved many career milestones, David’s greatest source of pride is his son, Hadrien, who constantly inspires him to appreciate the value of life each day.

Erahm Christopher

Creative Strategist and Co-Founder
Erahm Christopher is an accomplished filmmaker, social strategist, entrepreneur, and speaker renowned for his ability to forge authentic connections through impactful storytelling. His career began when he created the influential Teen Truth series, which led him to address crucial issues within challenging educational settings across North America. Over time, Erahm expanded his scope, founding an educational content company, directing the feature film Listen, and spearheading mental health initiatives in communities across North America. His films and live experiences have connected with audiences of over 8 million people. Erahm is also an acclaimed author of several books, a TEDx speaker, and a contributor to the Washington Post. His combination of storytelling finesse and strategic planning enables him to work seamlessly with governments, nonprofits, and businesses worldwide. In 2020, Erahm helped launch Tansley with a clear goal: to revolutionize how entrepreneurial businesses engage with their audiences through storytelling. Looking ahead, Erahm is eager to merge his varied professional experiences to enhance Tansley’s ability to craft meaningful brand narratives that speak to customers and drive tangible business growth. When he’s not strategizing at Tansley, Erahm loves to be outdoors—whether skiing in winter or kiteboarding in summer—and values the balance these activities bring to his busy life. He treasures time spent with his family, embracing the philosophy that life’s best lived with a blend of meaningful work, connections, and activity.

Mathieu Guérin

SEO | SEM Strategy Director and Co-Founder
Mathieu Guérin has sharpened his expertise in digital marketing and web visibility over fifteen years, backed by a solid foundation in administrative technology and e-commerce from UQAM. As Tansley’s CTO, Mathieu drives strategies that do more than function—they succeed, delivering quantifiable wins for our clients. He’s more than just the tech-savvy brain behind Tansley; he’s a visionary who has founded and steered two successful companies, mastering the complex world of digital strategies that elevate brands to industry leadership. At Tansley, Mathieu finds a perfect match for his dynamic, results-driven approach, ensuring that strategies are flawlessly executed to ensure clients exceed their objectives. Mathieu particularly values concrete metrics and genuine client relationships that define our work at Tansley. Away from the digital landscape, Mathieu seeks the tranquility and thrill of the ski slopes, where he recharges among mountain vistas and cherishes quality time with his family. His life revolves around three core values: family and friends, respect for others, and honesty. The commitment and care Mathieu brings to his personal life are also integral to his professional. Mathieu continually seeks new opportunities to enhance his skills and strives to integrate his passion for technology with robust business strategies at Tansley.
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