Debbie McGuinness

A Senior Technical Manager with over 25 years' experience in tailoring, garment construction and fit across premium and luxury fashion, with proven expertise spanning both womenswear and menswear. Deep specialism in suiting and tailored garments, including establishing an in-house tailoring building block and pattern library with pattern cutters and an in-house atelier, leading business-wide block and sizing reviews, and collaborating with made-to-measure teams to refine bespoke suiting processes and improve fit accuracy. Skilled in developing offshore factory technical capability through coaching, training and supplier auditing, driving right-first-time performance and reducing quality defects.

Experienced in managing end-to-end QA and production quality assurance from first sketch to bulk shipment, leading root-cause analysis on returns and quality issues, and building and developing high-performing technical teams. Confident presenting technical strategy, quality performance and factory development plans to Director and Senior Management level.

Menswear Technical Manager - Reiss - London

(2021-08)

Accountable for quality, fit and technical performance across the full menswear collection, including tailoring — setting standards from initial product brief through to bulk production and customer delivery, including mainline and high-profile collaborations, apparel, soft and hard accessories.

• Led and developed a high-performing Menswear Technical Team, presenting projects and achievements regularly to Director and Senior Management level.
• Developed and delivered global supplier webinars and updated supplier manuals, establishing and cascading clear manufacturing, construction, and packaging standards across offshore manufacturing partners.
• Proactively reviewed customer returns and feedback data to identify root-cause issues, building and presenting action plans to reduce costs and protect profit.
• Managed end-to-end QA process including sample approvals, test results, care labelling and legal compliance across multi-channel delivery.
• Instrumental in achieving compliance with AGEC legislation, US E-filing and mandatory Digital Product Passport (DPP) requirements.
• Led the technical transition to an automated warehouse, drafting supplier-facing guidance and managing adoption of new shipping, labelling and packaging processes.

Technical Manager - Kent & Curwen & Gieves & Hawkes - London

(2018-01 - 2021-08)

Managed all technical functions across two heritage menswear brands within the Trinity Group — overseeing the global collection from initial design concept through to bulk production. Deep expertise across a broad product mix including tailoring, sportswear, casualwear and garment-washed product — using technical fabrics, functional construction and specialist finishes.

• Conducted fabric risk assessments and garment construction reviews; managed sample approvals and resolved technical issues in line with critical path deadlines.
• Oversaw catwalk and VIP fittings and ready-to-wear fit sessions for European and Asian markets, ensuring fit consistency across both.
• Managed fit model budgets and session schedules; maintained detailed records of fit decisions and grade rules across categories.
• Collaborated with made-to-measure and store teams to refine bespoke suiting processes, improving fit accuracy and customer satisfaction.

Technical Projects Manager - Reiss - London

(2016-02 - 2018-01)

• Led business-wide block and sizing reviews across womenswear, menswear and accessories, standardising building block libraries and improving fit and grading consistency across the range.
• Produced comprehensive supplier manuals, testing manuals and technical documentation, ensuring standards were clearly understood by the supply base.
• Mentored and guided the technical team; conducted performance reviews, managed training programmes and team wellbeing.

Assistant Technical Manager - Reiss - London

(2012-10 - 2016-02)

Co-managed the technical team with responsibility for premium categories: tailoring, outerwear and leather across womenswear and menswear.

• Established an in-house building block and pattern library for tailoring and outerwear in collaboration with pattern cutters and the in-house atelier — reducing reliance on factory-owned patterns and improving fit consistency.
• Built strong cross-functional relationships with buying, design and sourcing teams, embedding a culture of collaboration and shared quality standards.

Menswear Garment Technologist - White Stuff

(2010-12 - 2012-10)

Senior Technologist - All Saints

(2010-07 - 2010-12)

Senior Technologist - Crombie

(2010-02 - 2010-07)

Womenswear & Menswear Technologist - Freelance

(2009-01 - 2010-02)

Womenswear Technologist - Arcadia

(2008-05 - 2009-01)

Womenswear & Menswear Technologist - House of Fraser

(2004 - 2008)

Assistant Pattern Cutter - Charleston Confezioni - Italy

(2003 - 2004)

Garment Fitter & Alterations - Selfridges - London

(2000 - 2003)

BA (Hons) - Fashion Design - Nottingham Trent University (1996 - 1999)

BTEC National Diploma - Fashion Design - Isle College (1994 - 1996)

GCSEs - Maths, English & Science