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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.

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.
Director of Business Development

Jonathon Cann

Jonathon Cann brings over a decade of success in SaaS, technology, and business services. A results-driven strategist, Jonathon has consistently driven commercial growth by aligning innovative solutions with client needs, fostering partnerships, and opening new markets across both SMEs and enterprise-level organisations.

With more than ten years of experience across SaaS, IT, cybersecurity, and business services, Jonathon Cann is a proven leader in business development and strategic sales. Known for his consultative approach and ability to unlock growth in competitive markets, Jonathon has a track record of exceeding revenue targets, managing key accounts, and building strong client relationships.

Jonathon currently serves as Director of Business Development, where he draws on a diverse background in technology and commercial strategy. He has consistently delivered against ambitious KPIs, generating significant monthly revenue, securing new business across a wide client base, and scaling lead generation in both technology and financial sectors.

His previous roles have seen him manage full sales cycles—from initial outreach and qualification through to account development and long-term retention. He has also led international sales efforts and overseen high-value fundraising campaigns, demonstrating both versatility and a strong commercial instinct.

Jonathon’s ability to identify emerging opportunities, adapt solutions to client needs, and deliver tangible results makes him a valuable driver of growth. He is passionate about mentoring teams, developing scalable strategies, and championing client success through innovation and integrity.

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.
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.
Marketing & Performance Director

Craig Gordon

Craig is a performance marketing expert with 15+ years’ experience driving growth through high-impact PPC and SEO in regulated sectors. He specialises in scaling businesses by turning data into strategy and strategy into results.

Craig Gordon brings over 15 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 cosmetic surgery, healthcare, and financial services. Specialising in both PPC and SEO, Craig’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.

Craig 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, Craig 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, Craig combines technical expertise with strategic foresight to deliver measurable, meaningful results.

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.