Get to know our team.

Personnel

Marie Diorio

Dr. Marie D’Iorio

Interim Executive Director
André E. Lalonde National Facility in AMS
613-562-5800 ext. 7314
[email protected]
ARC 411

Dr. D’Iorio is the Acting Executive Director of the André E. Lalonde National AMS Facility, since October 2023. She served as the Chief Operating Officer of the facility from July 2020 - March 2023, when she retired. Prior to joining the University of Ottawa in 2016, she led the National Institute for Nanotechnology (2012-2016) and the Institute for Microstructural Sciences (2003-2012) at the National Research Council of Canada. Dr. D’Iorio was elected Fellow of the Royal Society of Canada (RSC) in 2006, in recognition of her pioneering work in semiconductor quantum structures and organic electronics. She has served as President of the Academy of Science of the RSC and President of the Canadian Association of Physicists. 

Dr. Brett Walker

Dr. Brett Walker

Principal Investigator
Assistant Professor, CRC (II)
613-562-5800 ext. 6859
[email protected]
STEM 451

Brett Walker is an Assistant Professor of Earth and Environmental Science and Canada Research Chair (II) in AMS and Marine Biogeochemistry. He has been with the AEL AMS team since 2018. He received his B.Sc. in Earth and Planetary Science from the University of California, Santa Cruz in 2004. He received his Ph.D. in Ocean Sciences from the University of California, Santa Cruz in 2011. His fields of expertise include aquatic organic geochemistry and compound-specific radiocarbon analysis.

Sonia Schellenberger

Sonia Schellenberger

Administrative and Financial Assistant
AEL AMS Laboratory
613-562-5800 ext. 7177
[email protected]
ARC 418

Sonia Schellenberger joined the AEL AMS Laboratory in January 2023 as the Administrative and Financial Assistant for the teams. Sonia received her B.Sc. in Biochemistry from Trent University and a M.H.Sc. 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.

Daisy Butera

Daisy Butera

Technician
Tritium Laboratory
613-562-5800 ext. XXXX
[email protected]
ARC 444

Daisy is a technician in the tritium lab and has been with the AEL AMS team since 2019. She received her B.Sc. in Biochemistry from Concordia University (Montreal) in 2016.

Makenna Cavarzan

Makenna Cavarzan

Work Study
Radiocarbon Laboratory
613-562-5800 ext. 7878
[email protected]
ARC 447

Makenna joined the Radiocarbon Laboratory in 2021 as a University of Ottawa work study student.

Christine Prior

Christine Prior

Technician
Radiocarbon Laboratory
613-562-5800 ext. 7878
[email protected]
ARC 447

Christine joined the Radiocarbon Laboratory in 2023. Before coming to the University of Ottawa, she worked at radiocarbon labs in New Zealand, California, and Wisconsin. She received her PhD in Archaeology (specializing in 14C dating of artifacts) from the University of California, Riverside.

Dr. Barbara Francisco

Dr. Barbara Francisco

Adjunct Professor EES & Research Scientist
Actinides Laboratory
613-562-5800 ext. 6830
[email protected]
ARC 428A

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

Anthony Lapp

Anthony Lapp

Laboratory Manager
Noble Gas & Tritium Laboratory
613-562-5800 ext. 7981
[email protected]
ARC 428C

Anthony Lapp is the Noble Gas Laboratory manager and has been with the AEL AMS team since 2015. He received his B.Sc. in Environmental Science and M.Sc. in Earth Sciences from the University of Ottawa.

Kayla McKee

Kayla McKee

Technician
Radiocarbon Laboratory
613-562-5800 ext. 7878
[email protected]
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 B.Sc. in Environmental Science and her M.Sc. in Earth Science from the University of Ottawa. 

Natasha Luckovitch

Natasha Luckovitch

Technician
Radiocarbon Laboratory
613-562-5800 ext. 7878
[email protected]
ARC 447

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

Sarah Murseli

Sarah Murseli

Laboratory Manager
Radiocarbon Sample Preparation Laboratory
613-562-5800 ext. 6848
[email protected]
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 B.Sc. 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.

Dr. Gary Salazar

Dr. Gary Salazar

Research Scientist
AEL AMS Physicist
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.

Normand St-Jean

Normand St-Jean

Senior Accelerator Technologist
Accelerator Laboratory
613-562-5800 ext. 7454
[email protected]
ARC 144F

Normand St-Jean is the Senior Technologist for the accelerator with the AEL AMS team since 2013. He worked as a service technician for IRMS from 2001-2009 and has a degree in computers and electronics from Centre Competence Outaouais.

Jen Walker

Jen Walker

Research Scientist
Radiocarbon Laboratory
613-562-5800 ext. 4129
[email protected]
ARC 444B

Jen Walker is a Research Scientist in the Radiocarbon Preparation Laboratory and has been with the AEL AMS team since 2019. She received her B.Sc. in Biochemistry and Molecular Biology and her M.Sc. in Ocean Science from the University of California, Santa Cruz. She has been working in the field of Isotope Biogeochemistry for 15 years.

Dr. Albert Zondervan

Dr. Albert Zondervan

Research Scientist
AEL AMS Physicist
[email protected]
ARC 414

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.

Liam Zonruiter

Liam Zonruiter

Technician
Actinides Laboratory
613-562-5800 ext. 6830
[email protected]
ARC 428A

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.