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Meet the Team

Nexus was built to bridge the gap between medicine and marketing. Our team of specialists is committed to driving measurable growth for healthcare providers, combining strategic thinking with creative execution that sets you apart.

Sam Critchley Nexus
CEO, Founder

Sam Critchley

Sam is an accomplished professional with a decade of expertise spanning creative media and strategic marketing, with a strong focus on the healthcare sector.

Sam is an accomplished professional with a decade of expertise spanning creative media and strategic marketing, with a strong focus on the healthcare sector. Known for his innovative and results-driven approach, he drives growth by crafting impactful, tailored solutions that elevate businesses in the healthcare industry. With experience working with companies at all stages - from ambitious startups to highly successful organisations - Sam understands the unique challenges and opportunities each stage presents. This enables him to deliver strategies that empower businesses to scale effectively, regardless of their starting point.
David Kirkwood Profile
Director of SEO

David Kirkwood

With well over 20 years of experience in SEO, I have developed and delivered sophisticated, data-driven search strategies for hundreds of businesses across a wide range of industries across the globe.

With well over 20 years of experience in SEO, I have developed and delivered sophisticated, data-driven search strategies for hundreds of businesses across a wide range of industries across the globe. As the search landscape continues to evolve, I remain committed to continuous learning, staying ahead of algorithm changes and emerging technologies including AI, which I began studying well before it became widely adopted.
I have extensive experience in medical SEO, working closely with private healthcare organisations and understanding the sensitivity, compliance requirements, and ethical considerations involved in this sector. This allows me to approach SEO in healthcare with care, accuracy, and a strong focus on trust, authority, and patient-focused outcomes.
Akis Webmail
COO

Akis Koursarys

Akis brings 20+ years of leadership in pharma and medical devices, with deep expertise in professional relations, commercialisation, and patient access programmes.

With over 20 years of leadership experience in the pharmaceutical and medical devices sectors, Akis Koursarys has developed expertise in professional relations, commercialisation, and the creation and implementation of patient support programs and commercial access initiatives. In addition to his professional accomplishments, Akis is deeply committed to personal development, having trained as a Clinical Hypnotherapist and an NLP Master Practitioner.
1728059406641-transformed
Commercial Director

Paul MacBeth

Paul brings five years of invaluable experience in the healthcare industry, with a strong focus on management and recruitment.

Co-founder of Nexus Healthcare, brings five years of invaluable experience in the healthcare industry, with a strong focus on management and recruitment. His expertise in streamlining operations and building high-performing teams has been instrumental in shaping Nexus Healthcare's reputation for excellence. With a proven ability to identify and nurture talent, Paul ensures the organization consistently delivers top-tier services across its diverse offerings. His leadership combines strategic vision with hands-on experience, making him a driving force behind the company's growth and commitment to innovation in healthcare solutions.
Mitchell Freeburn Profile
Head of Digital Performance

Mitchell Freeburn

Mitchell brings years of strategic marketing expertise, with a proven track record of delivering high-performance digital campaigns in some of the most tightly regulated industries.

Mitchell brings years of strategic marketing expertise, with a proven track record of delivering high-performance digital campaigns in some of the most tightly regulated industries, such as healthcare, and financial services. Specialising in both PPC and SEO, Mitchell’s strength lies in blending data-driven precision with a deep commercial understanding to create marketing strategies that don’t just generate leads - they fuel sustainable growth.

Mitchell is passionate about conversion tracking and analysing the entire user journey, ensuring every touchpoint is optimised to maximise return on investment. His approach goes beyond surface-level metrics: he embeds himself into each client’s business, gaining a full understanding of internal structures, commercial goals, and operational challenges. This allows him to act as a true extension of the team, not just a service provider.

In a digital landscape that never stands still, Mitchell thrives on innovation in constantly evolving strategies to stay ahead of platform changes, algorithm updates, and consumer behaviours. Whether scaling a business through paid search or building long-term SEO authority, Mitchell combines technical expertise with strategic foresight to deliver measurable, meaningful results.

Nick Lyskov
Creative Lead

Nick Lieskov

Nick is an innovative professional with a passion for delivering impactful visual and digital solutions.

Nick is an innovative professional with a passion for delivering impactful visual and digital solutions. With expertise in branding, graphic design, and website development, Nick combines creativity with strategic insight to craft engaging and memorable experiences that elevate the Nexus Healthcare brand.