Developing the next generation of inhaler spacers

Just breathe, we'll take care of the rest


Happy international women’s day! Check out this post by @voltaeffect that features some pretty amazing women :)  @sarafedullo @davemdhodgson #entrepreneur #entrepreneurship #womensupportingwomen #womeninbusiness #womenempowerment #internationalwomensday
You can now go checkout the interview that HOLLO medical has given to Jennifer Cameron!  @davemdhodgson @sarafedullo @hierlihy @digitalhuman943r61
We made it! HOLLO medical is part of the Volta cohort! @davemdhodgson @sarafedullo @hierlihy @digitalhuman943r61 @brandonbeach
Meet our team!  HOLLO medical was founded in 2021 to create the first patient specific, mechanically controlled, high performance spacer for inhaler users, and make it so portable it can easily fit in a child’s pocket. The core team consists of David Hodgson, P.Eng, Sara Fedullo, B.Eng and Jon Hierlihy, B.Eng, MASc. David is a mechanical engineer, 3rd year medical student at Dalhousie University and acts as the co-founder and CEO. Sara is a chemical and process engineer and 3D printing specialist and acts as the co-founder and COO. Jon is a PhD student in materials engineering and is our research and development lead.  davidhodgson @hierlihy @sarafedullo @hollomedical


Co-founder & CEO

David Hodgson


MD Student

Co-founder & COO

Sara Fedullo

B.Eng, EIT

Product Developer

Brandon Beach

Engineering Technologist

R&D Lead

Jon Hierihy

B.Eng, MASc

PhD Student


Andrew H.M.


Junior Accountant

Clinical Lead

Dr. Wade Watson

Pediatric Allergist

Get in Touch


1345 Norma Eddy Lane
Halifax, NS B3J 1B6

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