Chief Executive Officer

Bill Cortelyou

Mr. Cortelyou joined Phoseon in 2007 as President & CEO, bringing 20 years of experience in semiconductor technology and capabilities. Prior to joining Phoseon, Mr. Cortelyou was an early investor in Phoseon as well as advising early stage technology companies. Previously, Mr. Cortelyou was Vice President of Operations at Integrated Device Technology covering semiconductor operations and manufacturing. Prior to IDT, Mr. Cortelyou was a process engineer for Advanced Micro Devices. Mr. Cortelyou holds a Bachelor of Arts degree in Physics from San Francisco State University.
Director of Marketing

Maggie Vantangoli Policelli, PhD

Dr. Maggie Vantangoli Policelli is an experienced research scientist with a background in toxicology and fluorescent imaging. She earned her PhD from Brown University, developing and validating 3D culture models for phenotypic toxicity testing. Dr. Vantangoli Policelli moved into industry, supporting scientists across North America in the areas of fluorescent microscopy and high content analysis, particularly in drug discovery. At Araceli Biosciences, she is driving the development and commercialization of new technologies to revolutionize drug discovery. Outside of work, she can be found spending time with her family, hiking and gardening, and occasionally herding chickens.
General Manager

Jeffrey Harris

Mr. Harris has 20 years of sales, product development and applications experience in Life Science industries, and over 25 years of experience in optics and imaging. He has moved from performing direct sales to regional sales management, distributor sales management, and international sales and OEM channel management, along with product development and customizations for Biotech, Pharma, and academic Life Science customers. His background in Biology and optics enables deep understanding of these complex applications. Prior to joining Phoseon, Mr. Harris was Director of Product Management and Global Sales Director at Lumen Dynamics (Excelitas Technologies), and the International OEM Manager and International Business Development Manager at Photometrics. Mr. Harris holds a Bachelor’s of Science degree in Biology with concentration in Cell and Molecular Biology from Duke University.
Director Of Software

David Tasker

Over twenty Five years’ experience creating system software for automated microscopy, metrology and defect inspection systems, including Optical, FIB, SEM, TEM, Interferometer and Phase Shift technologies for the Life Sciences and Semiconductor Equipment markets. Focus on system capability, reliability, flexibility, throughput and ease of use. Several US Patents awarded for automated system control and metrology, drone automation and life science imaging.
Vice President of Engineering

Scott Igl

Mr. Igl joined Phoseon in 2007, bringing over 20 years of experience in both established as well as start-up company environments with expertise in mechanical design. Mr. Igl has been awarded 14 patents covering fiber optic communications and high power lasers. Prior to joining Phoseon, Mr. Igl managed a multi-disciplinary, high-power laser diode product development team for nLight Corp. Previously, Mr. Igl worked for 3M Corporation where he managed fiber optic technology projects. Mr. Igl holds a Master’s Degree in Mechanical Engineering from the University of Wisconsin.
Director of Business Development

Mike Sjaastad, PhD

Mike is a familiar and active member of the High Content Imaging and Analysis and community and was deeply involved in the creation and commercialization of several popular HCA imaging platforms. Most recently he has focused on innovation at start ups, helping create and bring new cell based screening technology platforms and expand life science automation. His academic and industrial research career focused on oncology and immunology at UC Berkeley and Stanford pioneering the field of high-speed 3-D imaging of live T cell signaling.

Outside of work Mike enjoys hiking with his family and dogs, Martial Arts, and playing bass in a rock ‘n’ roll cover band.

Stuart Gibb -VP of Sales Araceli
Vice President of Sales

Stuart Gibb


Engineering Manager

Tyler Wilson

Tyler Wilson is a Senior Opto-Mechanical Engineer for Araceli Biosciences. Tyler specializes in development and product design of optical systems. His work has focused on creating innovative hardware solutions for biological imaging instruments.
Sr Software Engineer

Michael Scott

Over 30 years of experience in the software industry creating software ranging from working on spreadsheet software for an Office suite of products, to writing Automatic Defect Classification software in the Semiconductor Industry for Brightfield, Darkfield, and SEM multi-Million dollar Defect Inspection tools, to designing and creating software to drive tools in the Fluid Analysis world for ELISA assays, to working on software for the Navigation systems of drones, to even working on online gaming products. Specializing in the .NET / C# / WPF, and other Technology stacks.
Senior Mechanical Engineer

Alex Farias

Principal Design Engineer

Mike Bitsch

Software Engineer

Brandon Green

Eagle Scout and graduate of Portland State University, Brandon Green is passionate about software engineering in image processing, machine vision, and artificial intelligence. Brandon worked previously on automating industrial manufacturing and inspection processes, access control systems, and developing web resources for victims of crime. In his free time, Brandon enjoys reading, writing, playing board games, and nature walks.
Senior Optical and Research Engineer

Puck Ja

After finishing his post-doc work in digital signal processing, numerical EM field modeling for wave propagation phenomena, Dr. Ja has been working on optical sensing based on imaging and non-imaging technology, and develop sensing algorithm and machine vision technology to enhance sensing performance from the visible to long-wave infrared wavelengths over two decades via funding from NSF, NIST, and US military. Since joining Phoseon Life Science in 2017, he has been working on LED and laser-based illumination optics from deep-UV to visible wavelengths for the microscopy applications. In addition to the optics design, Dr. Ja is also interested in computational photography for innovated imaging technologies, imaging processing algorithm for enhanced performance, and computer vision programming to facilitate the automation of imaging applications.

AI Data Science

Senior Data Scientist

Will Marshall

Data Scientist of Computer Vision

Luke Ternes, PhD.

Dr. Ternes is a Data Scientist of Computer Vision with extensive experience in multi-plex single cell and tissue image analysis. He earned his PhD from Oregon Health and Science University where he developed novel deep learning methods and architectures for extracting biological information from complex cancer imaging data. He has also done considerable amounts of work developing analysis methods for state-of-the-art retinal imaging devices and blood-borne pathogen testing chips. In his free time, he enjoys cosplaying, long distance backpacking, and writing novels.
Principal Systems Engineer

Kevin Ferguson

Data Scientist – Software Engineer

Timm Derrickson

Timm Derrickson is a data scientist with experience creating models in several fields from CPG replenishment to STR investment. At Araceli, he is focusing on the pragmatic application of neural networks and resource handling to our projects.

Scientific Applications

Theresa Thompson PhD. Application Scientist Araceli
Applications Scientist/Engineer

Theresa Thompson

Application Scientist

Matt Boisvert

As an Application Scientist, Matt leverages extensive microscopy experience, ranging from quantifying gene expression on hundreds of slides to live imaging brain activity in an awake mouse, to bring Endeavor to life with imaging, analysis, and new assays. With a PhD in neuroscience from UC San Diego and postdoctoral training at Oregon Health and Science University, he helped elucidate how a particular cell type in the brain changes with age and modeled the effects of a family of immune proteins in aging glial cells. When not analyzing and acquiring data, Matt can be found outdoors, running across ridgeways and snowfields, floating through canyons and estuaries, or maybe just relaxing in a hammock with a good book.
Research Assistant

Josh Kieler

Marketing and Product Realization

Product Manager

Nasiema Wingate-Pearse

Marketing Communications Specialist

Cristina Ortiz Mateos

With a passion for scientific research and communication, Cristina is enthusiastic about shaping messages that resonate with everyday scientists. With a proven record of driving campaigns to raise awareness of the urgently needed solutions in drug discovery, she loves bringing concepts from the benchtop to the corporate lobby. She has a BS in Biochemistry & Molecular Biology and is pursuing an MSc in Business and Management. When she is not in the office, you can find her running, on the beach, or visiting new coffee shops.
Senior Graphic Designer

Jasmine Silver

Punctuated by a ceaseless curiosity for how things work, Jasmine Silver fits in wholeheartedly as the Senior Graphic Designer at Araceli Biosciences. With over 10 years of experience translating complex, technical products into clear, visual communication, Jasmine brings brands to life in the real world. Jasmine's breadth of skills include a specialty for taking projects full circle: from napkin sketch to finished piece, plus all the details in-between.