Principal Investigator
Assistant Professor, Earth and Environmental Sciences
owarr@uottawa.ca 
Office: ARC 412

Dr. Oliver Warr is an Assistant Professor of Earth and Environmental Science at the University of Ottawa. He has been with the AEL-AMS team since 2024. He received his PhD in Environmental Geochemistry and Microbiology from the University of Manchester, UK, in 2014. His research interests and program focus on applying the latest in field-based mass spectrometry and high-precision analyses to develop noble gas and stable isotope geochemical frameworks and models aimed at understanding the fundamental processes surrounding geologic fluids, biogeochemical and hydrological cycles, and how they intersect with society.

Administrative and Financial Lead
pinostro@uottawa.ca 
Office: ARC 418

Patricia Inostroza is the Administrative and Financial Services Lead for the Facility.  She joined the team in July 2024.  Patricia received her BSc in Statistics and Computer Science from the University of Ottawa in 1988 and a grad certificate in Business Administration from Carleton University in 2000 (MDPW Program).

Administrative and Financial Assistant
sschell2@uottawa.ca
Office: ARC 428A

Sonia Schellenberger joined the AEL-AMS Facility in January 2023 as the Administrative and Financial Assistant for the teams. Sonia received her BSc in Biochemistry from Trent University and a MHSc Degree in Laboratory Medicine & Pathobiology from the University of Toronto. Sonia has been working in an administrative support capacity for the past 15 years in both clinical and research organizations.

Communications and Outreach
jnorthov@uottawa.ca
Office: ARC 225

Joanna joined the AEL-AMS team in 2025 as the Liaison responsible for communications and outreach for the facility. She holds a BSc and an MSc in Earth Sciences from Carleton University and has focused her career on science communication, education, and outreach in museums, schools, and for the public. Since 2021, she has been exploring social media as a tool for public science communication and outreach.

Radiocarbon Laboratory Manager
smurseli@uOttawa.ca
Office: ARC 444B

Sarah Murseli is the Laboratory Manager for the Radiocarbon Sample Preparation Laboratory, and has been with the AEL-AMS team since 2014. Sarah received her BSc in Physical Geography from Carleton University and M.Sc. in Physical Geography from the University of Ottawa. Her fields of expertise include isotope geochemistry and radiocarbon sample preparation.

Noble Gas & Tritium Laboratory Manager
alapp@uottawa.ca
Office: ARC 428C

Anthony Lapp is the Tritium and Noble Gas Laboratory Manager and has been with the AEL-AMS team since 2015. He received his BSc in Environmental Science and MSc in Earth Sciences from the University of Ottawa.

Senior Research Associate 
Radiohalides and Actinides Laboratory Manger
balvesfr@uottawa.ca
Office: ARC 414

Barbara Francisco is a Research Scientist in the Radiohalides and Actinides Laboratory and has been with the AEL-AMS team since 2015. She received her BSc, MSc, and PhD in Chemistry from Federal Fluminense University in Brazil. She has been working with trace elements analysis since 2009.

Senior Research Associate,
AMS Physicist and Laboratory Manager
azonderv@uottawa.ca
Office: ARC 144

Dr. Zondervan is a Sr. AMS Physicist at AEL-AMS. Prior to joining the University of Ottawa, he was a Sr. Scientist at the Rafter Radiocarbon Laboratory within the National Isotope Centre of GNS Science, New Zealand. He received his PhD in Nuclear Physics in 1992 at the University of Amsterdam, Netherlands and more than 30 years of experience with operating and maintaining AMS systems for ¹⁴C, ¹⁰Be, and ²⁶Al analysis.

Senior Research Associate,
Radiocarbon AMS Physicist
gsalazar@uottawa.ca
Office: ARC 417

Dr. Salazar is a Sr. AMS Physicist at AEL-AMS. Prior to joining the University of Ottawa, he was Lab Deputy Manager and lead MICADAS operator at the Oescher Centre for Climate Change at the University of Bern, Switzerland. He received his PhD in Biomedical Sciences in 2006 from Hiroshima University, Japan developing new mass spectrometry techniques. After he was a postdoctoral scholar at Purdue and at the Center for Accelerator Mass Spectrometry, Lawrence Livermore National Laboratory, USA. He has over 12 years AMS experience with for hybrid gas-ion source and aerosol ¹⁴C measurements.

Research Associate
cprior@uottawa.ca
Office: ARC 444B

Dr. Christine Prior is a Research Associate in the Radiocarbon Laboratory and has been with the AEL-AMS team since 2023. She received her PhD in archaeology, specializing in radiocarbon dating of archaeological materials, from the University of California, Riverside. Before coming to the University of Ottawa, she worked in radiocarbon labs in New Zealand, California, and Wisconsin and has more than 30 years of experience in archaeometry and radiocarbon sample preparation.

Technician
kbute072@uottawa.ca
Office: ARC 444A

Daisy is a technician in the Tritium Laboratory and has been with the AEL-AMS team since 2019. She received her BSc in Biochemistry from Concordia University (Montreal) in 2016.

Technician
ljaspers@uottawa.ca
Office: ARC 428C

Liam is a technician in the Radiocarbon Laboratory working on research and development focusing on Biofuels. He holds a BSc and an MSc in Earth Science from the University of Ottawa. Liam first joined AEL-AMS in 2019 as a part-time research assistant in the Noble Gas Laboratory and subsequently had various roles in both the Nobel Gas and Radiocarbon labs. He joined the Radiocarbon team full time in 2025.

Technician
kmckee@uottawa.ca
Office: ARC 447

Kayla started working in the radiocarbon lab as a part-time student in 2019 then joined the team full-time as a technician in 2022. She received her BSc in Environmental Science and her MSc in Earth Science from the University of Ottawa. 

Technician
lzonruit@uottawa.ca
Office: ARC 144

Liam joined the Actinides Laboratory in 2017 while working on his Honours thesis and continued to work in the lab as a research assistant until the end of 2018. He returned to the Actinides Laboratory in 2021 as a laboratory technician and is primarily focused on gamma spectrometry and trace radioisotope analysis.

Technician
elindroo@uottawa.ca
Office: ARC 447

Eve started working at the radiocarbon lab as a part-time student in January 2025 and joined full time as a junior laboratory technician in the Spring of 2025. Eve received her BSc in Geology with honours specialization and her MSc in Earth Sciences from the University of Ottawa. Her MSc thesis focused on stable isotope geochemistry and paleoecology.

Technician
nluckovi@uottawa.ca
ARC 447

Natasha joined the Radiocarbon Laboratory in 2022. She received her BSc in Environmental Biology and Technology from Nipissing University.

Work-Study Laboratory Assistant
amcne032@uottawa.ca
Office: ARC 444

Asha joined the Tritium Laboratory in 2025 as a work-study student. She is currently pursuing her BSc in physics at the University of Ottawa.

Work-Study Laboratory Assistant
crete078@uottawa.ca
Office: ARC 447

Cheri joined the Radiocarbon Laboratory in 2025 as a work-study student. She is currently studying Biochemistry and Chemical Engineering at the University of Ottawa.

Work-Study IT Assistant
hsinghna@uottawa.ca 
Office: ARC 417

Harkirat joined the Radiocarbon Laboratory in 2025 as a work-study student working on developing a database application. He is currently pursuing Masters in Electrical and Computer Engineering at the University of Ottawa.

Work-Study Laboratory Assistant
mwry024@uottawa.ca
Office: ARC 444

Nick joined the AEL-AMS team in summer 2024 as a work-study student in various labs. He currently works in the Tritium lab and is pursuing an undergraduate degree in environmental geoscience at the University of Ottawa.