Nicole Perfito, Ph.D.
Nicole came to Science Exchange after 10+ years as an academic research scientist. As the Director of the
Sourcing Team, she stays involved in all of the Concierge requests and has led project management for the
Reproducibility Project: Cancer Biology replication studies.
Christina Marian, Ph.D.
Christina brings 8+ years of experience in early stage drug discovery research to the
Science Exchange Sourcing Team, with specialization in compound screening, organic synthesis,
and biochemical assays.
Molecular, Cell and Developmental Biology
Gabriel joins Science Exchange as a Senior Sourcing Manager and Staff Scientist with 12+
years of biomedical research with project specialization in Drug Discovery and Clinical Assay
JR Clark, M.S.
JR came to Science Exchange with 6+ years of research experience in evolutionary development
and reproductive behavior of vertebrates. As a Sourcing Manager, he manages a wide variety of
projects from basic research through drug discovery.
Kaitlin MacCulloch, B.S
After receiving her bachelors in Microbiology from the UC Santa Barbara,
Kaitlin worked at ETS Laboratories, researching the role of bacteria and yeast in winemaking.
Kaitlin left the lab to become a Client Account Manager at Pacific BioLabs, where she helped support the
Toxicology department with pharmaceutical and medical device testing. Kaitlin brings her industry experience
in Toxicology and Medical Device Testing to help researchers source their projects effectively.
Karen Shaff, B.A.
Karen brings over 15 years benchwork and project management experience in the biopharma
industry (Chiron, Pharmacofore, Applied StemCell) with recombinant vaccine development,
small molecule neurological drug discovery, PK/PD, and genetically modified animal models.
As Senior Sourcing Manager, she specializes in in vivo models and transgenic animal model
Lauren Tsugawa, B.S.
Lauren brings her project management and LIMS development experience in the CRO space to her
Sourcing Manager role at Science Exchange. At Science Exchange she has developed specialization
in protein production and purification services.
Melissa Songpitak, B.A.
Melissa conducted multiple basic science research projects as a research assistant in
genetics, biogeochemistry, and behavioral neuroscience. At Science Exchange, she is a
customer-focused Senior Sourcing Manager and Account Lead who believes that great customer
success is delivered with speed, efficiency, and attentiveness.
Matiu Andrews-Cookson, B.S.
Cell and Molecular Bioscience
Matiu comes to Science Exchange with 5+ years of experience in commercial and
scientific Project Management and a research background in molecular biotechnology.
As a Sourcing Manager, he specializes in the biochemical, analytical and agricultural science.
Luke Keffer, B.S.
Luke brings a variety of research experiences in cancer biology and protein synthesis.
As a Senior Sourcing Manager and Account Lead, Luke has developed specialization in
recombinant protein production and peptide synthesis.
Rachel Tsui, Ph.D.
Rachel brings her 8+ years of benchwork and consulting experience for the Pharmaceutical and
Healthcare space to her work as a Senior Sourcing Manager and Account Lead
at Science Exchange with project specialization in Immuno-Oncology and Radiochemistry.
Zev Wisotsky, Ph.D.
Zev brings 10+ years of benchwork and research experience in invertebrate and vertebrate models
to his work as Senior Sourcing Manager and Account Lead.
At Science Exchange he has developed project specialization in Animal models of Pain and
Marija Petronijevic, B.S. Hons
Marija brings 12+ years of benchwork experience in synthetic and analytical chemistry of
small organic molecules. She comes to Science Exchange from the position of QC manager with
extensive experience in laboratory management, HPLC and GC-MS method development, transfer
and validation and quality control under GLP and GMP regulations.