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Lab Members

Dr. Victor Yang, MD, PhD, PEng, FRCSC
Principal Investigator for Biophotonics and Bioengineering Laboratory
Associate Professor, Ryerson University
Canada Research Chair in Biophotonics and Bioengineering
(Google Scholar CitationsPubMed searchLinkedInResearchGate)

Victor Yang received his Honors BASc in Engineering Science Biomedical option from the University of Toronto in 1997. He then went on to complete a Masters in Electrical and Computer Engineering in 1998, after which, Victor entered the University of Toronto MD-PhD program where he completed his PhD in the Dept. of Medical Biophysics in 2004. His thesis and major research interest was in the field of Doppler optical coherence tomography. He is the recipient of numerous fellowship grants from the CIHR and NSERC for his research work. He also received the Governor General’s Gold Medal award for the best PhD thesis for post-graduate work at the University of Toronto.

Victor is currently an associate professor at the Department of Electrical and Computer Engineering at Ryerson University, an Adjunct Professor in the Department of Medical Physics at Ryerson University, a Senior Scientist in Brain Sciences and Physical Sciences at Sunnybrook Research Institute, an Associate Professor in the Division of Neurosurgery at University of Toronto, and an Associate Professor in the Institute of Medical Sciences, as well as a Staff Neurosurgeon at Sunnybrook Health Sciences Centre.


Jenny Yeow
Research Business Manager for Biophotonics and Bioengineering Laboratory

Jenny Yeow brings to the team a HBSc in Microbiology and Immunology (University of Toronto), MSc in Laboratory Medicine and Pathology (University of Toronto), and MBA in Finance and International Business (Schulich School of Business, York University). With the combined research and business training, Jenny leads the financial and business aspects of BBL’s research programs. She manages the administrative and budgetary operation, and also designs, develops and maintains tools to facilitate and enhance performance of research administrative processes.

Prior to joining Ryerson University, Jenny previously worked for an Ontario private clinical research company as Clinical Study Manager.  After which, she joined St. Michael’s Hospital, one of Toronto’s busiest academic teaching hospitals as a Research Business Service Analyst where she is responsible for reviewing and negotiating research agreements between the hospital and pharmaceutical companies among other duties. In addition, Jenny has served as a community member on George Brown College’s Research Ethics Board since March 2010. She is knowledgeable on TCPS (Tri-Council Policy Statement) and GCP (Good Clinical Practice). Her experience in research ethics, clinical trials and hospital/university research administration will be resourceful not only for liaising between the BBL and the other academic hospitals, but also for establishing a foundation at the Ryerson University that is in line with our partner institutions.


Current Post-Doctoral Fellows

Chaoliang Chen
Post-Doctoral Fellow, Optical Coherence Tomography Research

Chaoliang received his Bachelors and PhD in Optical Engineering from Nanjing University of Science and Technology, and won the First Prize Scholarship of Nanjing University of Science and Technology for his research. Chaoliang first joined the BBL during his PhD as a visiting PhD Student, and conducted work involving Speckle-Variance and Doppler methods for Optical Coherence Tomography (OCT).

Since his return as a Post-Doctoral Fellow, he has continued his work in OCT, working to implement his Doppler and speckle methods to clinical applications, and designing new systems for use in the lab.


Current PhD Students and Candidates


Jamil Jivraj
PhD Candidate, Electrical Engineering
Thesis: Intuitive High-Precision Robotic Laser Osteotomy

Jamil Jivraj received his BEng in Electrical Engineering in 2010 and MASc in Electrical & Computer Engineering in 2013 – both from Ryerson University. His Master’s work focused on legged-robotics, with studies relating to quadrupedal robots specifically.

He is currently a PhD Candidate in the Department of Electrical and Computer Engineering under the supervision of Dr. Yang. His research is focused on the use of lasers and robotics in the operating room, leveraging technologies including Optical Coherence Tomography (OCT), Optical Topographical Imaging (OTI), and in-house robotic systems. Outside of this research, he has done extensive work in all areas of the lab, including the design and engineering of systems for use in clinical operating rooms, and assisting in the development and implementation of various clinical systems used in clinical trials in the research group.

Jamil has also been the recipient of the Queen Elizabeth II Scholarship for his outstanding performance during his PhD, as well as the Norman Esch Engineering Innovation & Entrepreneurship Stage I Award.

See one of Jamil’s publication from SPIE BiOS: Coaxial cavity injected OCT and fiber laser ablation systems for real-time monitoring of ablative processes.


Deep (Daipayan) Guha
PhD Student, Medical Science
Thesis: Engineering of a multi-modal optical navigation and ablation suite in neurosurgery


Deep completed his Honours Bachelors of Science, and went on to complete his MD, both at the University of Toronto. Upon completion of his MD, he entered the Neurosurgical Residency Program at the University of Toronto, and is currently a PGY-4 Neurosurgery resident.

Presently, Deep is pursuing his PhD from the Institute of Medical Science at the University of Toronto, where he focused on blending optical topographical imaging (OTI) with medical ablation for use in spine surgery. His also has research focus in C-Spine surgery, and in minimally invasive spinal surgery. Deep is a core member of the clinical team for the Biophotonics and Bioenginering Laboratory.

Deep has received many honours throughout his academic career. A few of these include the Sanford J Larson award for Best Spine Research Paper at AANS in 2017, the Banting Post-Doctoral Research Fellowship from CIHR in 2016, the Alexander Graham Bell Award from NSERC in 2015, the K.G. McKenzie Prize for Clinical Neuroscience Research (First Prize) from the Canadian Neurosurgical Society in 2015, and the William J. Horsey Resident Clinical Research Award in the Division of Neurosugery, University of Toronto.

See one of Deep’s latest publications in The Spine Journal: Spinal intraoperative three-dimensional navigation: correlation between clinical and absolute engineering accuracy. 



Nirmeen Zagzoog
PhD Student, Medical Sciences

Nirmeen Zagzoog completed her Bachelor degree in Arts and Humanities at King Abdulaziz University in Saudi Arabia, and medical school at McMaster University. Nirmeen is completing her residency in Neurosurgery at McMaster University. She is enrolled in the Clinical Investigator Program and the Surgeon Scientist Program at the University of Toronto, while pursuing her PhD at the Institute of Medical Science graduate school under the supervision of Dr. Victor Yang.

Nirmeen’s research interests include skull base surgery, minimally invasive techniques in Neurosurgery, surgical innovation & bioengineering. She has particular interest in image-guided surgery and device development.

Her research focuses on intraoperative imaging and surgical navigation in skull base. Engineering of high-speed drill with frameless stereotactic navigation, and integration of the drill to the current state-of-the-art navigation system. Further integration will be conducted with systems which allow for mapping of the brain function and vasculature to add an element of safety to drill operation in skull base.


Weisong Shi
Visiting PhD Student, Optical Engineering

Weisong Shi completed her Bachelor of Engineering in Optoelectronic Information Engineering at Nanjing University of Science & Technology in 2015, and continued with her PhD at NUST in 2015. Her work focuses on optical coherence tomography angiography.

Presently, she is a visiting PhD student at Ryerson University and Sunnybrook Health Sciences Centre funded by China Scholarship Council, with her research focus being on intravascular OCT.


Current MASc and MSc Students

Andrew Marques
MASc Student, Biomedical Engineering

Andrew completed his Bachelors in Engineering at Ryerson University in Biomedical Engineering in 2016. His capstone project focused on the design of a wireless neuromonitoring system.

Andrew is currently working towards his MASc at Ryerson University in Biomedical Engineering, with his research focus on 2 micron laser ablation with monitoring using Optical Coherence Tomography. He has also contributed to research in the group involving mechanical and electrical designs for other projects. Andrew was also the recipient of the Norman Esch Engineering Innovation & Entrepreneurship Stage I award in 2016.


Nhu Nguyen
MASc Student, Electrical and Computer Engineering


Nhu completed her Bachelor of Engineering in Biomedical Engineering at Ryerson University in 2016, with her capstone project looking at creating a flexible-polymer based 3D printer.

Presently, she is undertaking a MASc in Electrical Engineering at Ryerson University, with her research focus being on developing augmented reality systems for use in surgical navigation, tool tracking, and situational awareness in the operating room. She has been the recipient of the D+H Sunnybrook Research Institutes award and the Ryerson Graduate Fellowship.


Robnier Reyes
MASc Student, Electrical and Computer Engineering

Rob completed his Bachelors in Engineering at Ryerson University in Biomedical Engineering in 2016. His capstone project focused on the design of a wireless neuromonitoring system.

Rob is currently working towards his MASc at Ryerson University in Biomedical Engineering, with his research focus on the development of optical coherence tomography (OCT) systems, with focus on the building and modification of an SD-OCT system for use in multiple imaging methods.


Ryan Deorajh
MASc Student, Electrical and Computer Engineering

Ryan completed his Bachelors in Engineering at Ryerson University in Biomedical Engineering in 2016, and has been working in the research group as a research assistant for the past 2 years, assisting on projects involving OCT, and the design of new OCT-based catheters for Endovascular OCT.

Ryan is currently working towards his MASc at Ryerson University in Electrical Engineering, with his research focus on large volume tracking of surgical helmets for future use in various head-mounted designs. Ryan has also been a recipient of the Ryerson Graduate Fellowship.


Philips Lai
MASc Student, Electrical and Computer Engineering


Usmaan Hameed
MSc Student, Medical Sciences

Usmaan completed his BSc in General Science at the University of Alberta, and went on to complete his MD at the University of British Columbia. He went on to do a residency in General Surgery at the University of Toronto, with focus on Surgical Oncology, and is presently a Surgical Oncologist specializing in minimally invasive surgery and general surgery at North York General Hospital.

Presently, he is undertaking a MSc in the Institute of Medical Sciences at the University of Toronto. His research focus is on the development of augmented and virtual reality systems to aid and improve patient experience and understanding, as well as for surgical planning.


Shaurya Gupta
MASc Student, Biomedical Engineering

Shaurya Gupta worked with the BBL during his Co-op year, helping to facilitate clinical trials at Sunnybrook Health Science Centre related to surgical navigation for spine and cranial surgery, as well as with initial testing of high-frequency ultrasound probes for initial use in spinal and cranial surgery.

Shaurya has recently joined the lab as a Master’s student at the university of Toronto.


Lab Personnel 

Jillian Cardinell
Undergraduate Research Assistant


Jillian is in her 3rd year of a Bachelors of Engineering in Biomedical Engineering at Ryerson University. She is currently working as a research assistant developing methods to analyze retinal and lesion OCT images. She has also been working under Nhu on her augmented reality for surgical navigation research


Joel Ramjist
Project and Clinical Coordinator and Research Physicist

Joel is the Project and Clinical Coordinator for the BBL, assisting in facilitating and organizing projects and clinical trials for the research group. He is also involved in research in the group with focus on studying the hemodynamics of intracranial aneurysms and changes to hemodynamics from interventional treatments. He also assists in general research in the group.



Post-doctoral Fellows

Kyle Ho Yiu Cheng, Post-doctorate
Exit Position: Synaptive Medical

Carry Sun, Post-doctorate
Exit Position: Assistant Professor, Tianjing University, China

Yize Huang, Post-doctorate
Exit Position: Industry

Peter Siegler, Post-doctorate
Exit Position: Senior Research Scientist, 7D Surgical Inc.

Beau Standish, Post-doctorate
Exit Position: CEO, 7D Surgical Inc.

Adrian Mariampillai, Post-doctorate
Exit Position: CTO, 7D Surgical Inc.

Yasaman Soudagar, Post-doctorate
Exit Position: Attodyne Lasers

George Liu, Post-doctorate
Exit Position: General Photonics

Linda Mao, Post-doctorate
Exit Position: National Research Council, Ottawa

Mohammad Sultan Mahmud, Post-doctorate
Exit Position: Researcher, University of North Carolina


Doctoral Researchers

Raphael Jakubovic, Doctorate

Barry Vuong, Doctorate
Thesis: Development of an intravascular Doppler optical coherence tomography imaging technique for neurovascular applications
Exit Position: Post-Doctoral Fellow, Harvard University

Kyle Cheng, Doctorate
Thesis: Procine endovascular OCT and biocompatibility of artificial muscle actuated catheter
Exit Position: Post-Doctoral Fellow, Ryerson University

Kenneth Lee, Doctorate
Thesis: Artificial muscle actuated intravascular cathter laser micromachining and fabrication.
Exit Position: 7D Surgical Inc.

Nigel Munce, Doctorate
Thesis: Doppler optical coherence tomography monitoring of photodynamic therapy
Exit Position: University of Toronto, School of Medicine


Masters Researchers

Antonio Mauro, MSc
Thesis: 4D Imaging of Zebrafish phenotyping in drug discovery
Exit Position: University of Toronto, PhD Program

Timothy Luk, MASc
Thesis: Optical coherence tomography and dynamic light scattering for cell death assessment
Exit Position: Ontario Centres of Excellence (OCE)

Felix Nolte, MEng
Thesis: In vivo optical coherence elastography of carotid vessel wall
Exit Position: Siemens

Golafsoun Ameri, MSc
Thesis: Synthetic aperture for ultrahigh-frequency ultrasound biomicroscopy
Exit Position: PhD

Benjamin Lee, MSc
Thesis: Signal processing techniques for transcranial Doppler ultrasound and cerebral vessel detection
Exit Position: Business Analyst

Mark Harduar, MASc
Thesis: Forward-viewing optical coherence tomography for intraoperative use
Exit Position: Conavi Medical

Nazanin Nayebi, MSc
Thesis: Synthetic aperture enhanced ultrasound biomicroscopy
Exit Position: Radiation Physics, Princess Margaret Hospital

Vitaliy Mykhayl, MEng
Thesis: Analog signal processing for Doppler optical coherence tomography

Darren Morofke, MASc
Thesis: Axial Kasai velocity estimation on Doppler optical coherence tomography
Exit Position: PhD Student, Oxford University