- Chief & Associate Professor, Department of Otolaryngology-H&N Surgery, Faculty of Medicine, University of Toronto, Sunnybrook Health Sciences Centre, Toronto
- Fellowship Director, Otology-Neurotology, University of Toronto, Sunnybrook Health Sciences Centre
- Head, The Inner Ear Regeneration Initiative (Sonja Koerner Inner Ear Regeneration laboratory & Sunnybrook Cochlear Implant Laboratory), Sunnybrook research Institute(SRI).
2011 – 2015 Co-Principal Investigator. Music Ear: A validated diagnostic and rehabilitation computer software for cochlear implant users. Med-El Medical Electronics (Canada and Austria). PI: Lee Bartel, PhD, Joseph Chen, MD. Collaborators: Lendra Friesen, PhD, David Shipp MAud, V/ Lin, MD. 150,000 CAD. [Industrial Grants]
2008 – 2009 Principal Applicant. Rapid Prototyping and photo-printing of the temporal bone-a high fidelity surgical model in anatomical dissection training. Sunnybrook ACMS Foundation. 10,000 CAD. [Grants].
1993 – 1995 Co-Principal Investigator. Phase 2-a method of potentially confirming the pathophysiologic mechanism in meniere’s disease. Followup of a controlled trial. Physicians Services Incorporated Foundation (The) (PSI). 47,600 CAD. [Grants].
1992 – 1993 Co-Principal Investigator. Electrocochleography: A Method of Potentially Confirming the Pathophysiologic Mechanism in Meniere’s Disease. Physicians Services Incorporated Foundation (The) (PSI). Collaborators: J. Chen, S. Stanton et al. 35,000 CAD. [Grants].
Alexander AJ, Bartel L, Friesen L, Shipp D, Chen J. From fragments to the whole: a comparison between cochlear implant users and normal-hearing listeners in music perception and enjoyment. J Otolaryngol Head Neck Surg. J Otolaryngology HN Surgery 2011, 40(1):1-7. (Trainee publication-received the top research prize at the Canadian Society of Otolaryngology Annual meeting, Halifax, 2009.
Bartel L, Greenberg S, Friesen L, Bodmer D, Shipp D, Ostroff J, Chen J:. Qualitative Case Studies of Five Cochlear Implant Recipients’ Experience with Music. Cochlear Implants International. 2011, 12(1): 27-33. (Trainee publication, fellow).
DeAlmeida J, Guyatt, Nedzelski J, Lin V, Chen J. Combined corticosteroid and antiviral treatment for Bell’s Palsy. JAMA. 2009, 302(9) 985-993 (Trainee publication-during Masters degree work).
Perez R, Fuoco G, Dorion J, Ho P, Chen J. Does the chorda tympani nerve confer general sensation from the tongue? Otolaryngol-Head Neck Surgery. 2006, 135(3): 368-373 (Trainee publication).
Lin V, Houlden D, Bethune A, Nolan M, Pirouzmand F, Rowed D, Nedzelski J, Chen J. A novel method in predicting postoperative facial nerve function following acoustic neuroma excision. Otology-Neurotol. Otology-Neurotol 2006, 27(7): 1017-1022.