• Cambridge MA
Matthias Hofmann

Matthias Hofmann

Work History

Work History

Blink (www.goblink.co)

Jul 2013 - May 2015

Senior R&D Engineer

  • Ownership of key Blink products from concept to launch.
  • Netrometer:  A $10 smartphone add-on lensmeter that replaces traditional lensmeters costing $2000+ while exhibiting superior accuracy.  From whiteboard idea to software release and hardware manufacturing in 10 months including FDA registration.  Netrometer was a key driver in closing a $4 million fundraising round.
  • Netra:  Led image processing, algorithm, and hardware controls development of Blink's portable eye refractor.  Rapid hardware/software prototype iteration of 3D printed devices - typically a new version every two weeks.  Algorithm improvement on over 1500 trial users in IRB approved studies.
  • Moderated daily stand-up and weekly team meetings, ensured resource alignment, communicated project status, and tracked feature backlog using JIRA, Asana, in Agile workflow.
  • Made evidence driven decisions on feature improvements by performing anonymized user studies and by analyzing behavioral and quantified user surveys. Applied user feedback to subsequent iterations until product requirements and quality thresholds were met.
  • Created detailed and actionable product specs for team members.
  • Lead author on two patents and co-author on another.

Massachusetts General Hospital

Jul 2012 - Jul 2013

Research Fellow

  • Led projects from concept to minimum viable products.
  • Developed a smartphone-based pulse oximeter that costs less than $2; a project which was subsequently funded by the NIH.
  • Invented a digital shape extractor that reconstructs the curvature and volume of a compressed breast in mammographic x-ray machines. Technology was built using $30 webcam and multi-view stereo algorithms.
  • Built products based on patient/medical professional needs by collaborating with emergency and patient triage departments at MGH.
  • Presented developments at leading computer vision and medical device conferences and authored journal articles and book chapters.

Institute for Critical Technology, Virginia Tech

Aug 2009 - Mar 2012

Doctoral Researcher

  • Invented a novel deep-tissue imaging technology based on fiber optics. The technology was designed to meet a critical need in tissue engineering:  monitoring growth in real-time.
  • Design of simple and intuitive user interfaces for mobile and computer applications – from wireframes and mockups to functional prototypes.
  • Project team lead of 5 doctoral researchers.
  • Supervised undergraduate research interns that assisted our projects.

Center for Photonics Technology, Virginia Tech

Aug 2008 - Aug 2009

Graduate Assistant

  • Developed an optical fiber capable of enhancing 2nd-order nonlinearity using self-assembled organic surface layers.
  • Created a way to quickly product silica micro-spheres and used them to create ultra-efficient nonlinear optical resonators.



Harvard Medical School

2012 - 2013

Postdoc Fellow

Wearables, Medical Devices, Computer Vision

Virginia Tech

2007 - 2012

MS/PhD, Electrical Engineering

Biomedical Optics, Tissue Engineering, Physical & Nonlinear Optics

University of Dayton

Jan 2003 - Jan 2007

BS, Electrical Engineering



fiber optic imaging
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