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Hollie Buerckner

@holliebuerckner

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Co-founder at Sigh, a London health-tech start-up, whose beta users cut vaping by 70% on average.

Australia

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At Sigh Ltd, I co-founded a London health-tech start-up helping adults reduce and quit vaping. I interviewed more than 200 people, managed a 43-user beta cohort whose users cut vaping by around 70% on average, and am leading a £2m Seed raise.

I also create short-form social content, manage the investor data room, and coordinate the App V2 build. Before Sigh, I worked as an osteopath and spent four years managing reception, bookings, payments, and claims at a busy multidisciplinary clinic.

Experience

Work history, roles, and key accomplishments

Current

Co-Founder

Current

Sigh Ltd

Jan 2025 - Present (1 year 10 months)

Co-founded a London health-tech start-up focused on helping adults reduce and quit vaping. Led customer research, fundraising, marketing, and operations, including managing a 43-user beta cohort and leading a £2m seed raise.

Customer Research Fundraising Marketing Operations Pitching Negotiation Short form Video Social Media Project Management Stakeholder Management Google Workspace Canva Instagram TikTok LinkedIn App Store Connect AI Tools

Osteopath

Advanced Health Pain, Injury & Spinal Clinic

Jan 2024 - Jan 2025 (1 year)

Ran one-to-one consultations, assessing musculoskeletal and spinal conditions and building personalised treatment plans. Explained complex clinical information in plain language to improve patient adherence.

Clinical Knowledge Medical Terminology Patient Communication Treatment Planning

Medical Receptionist

Allied Osteopathy Healthcare

Jan 2019 - Jan 2023 (4 years)

Managed the front desk of a busy multi-disciplinary clinic, handling bookings, payments, and patient inquiries. Trained new reception staff and ensured smooth daily operations.