Aaron Wiegel, Ph.D.
Data Plumber Extraordinaire
Updated 3 months ago
12+
Years Experience
9
Roles
2
Skills
2
Education
About
I am a data engineer who is passionate about delivering data products that provide data in a standard, consistent, and reliable manner by employing unit and integration testing along with data profiling and alerting tools. With a PhD in chemical physics, years of research and programming experience, and a passion for learning, I enjoy combining data from diverse sources and ideas from different disciplines to uncover hidden value in data. I have several years experience coding in Python using common data science and engineering packages (pandas, sqlalchemy, numpy, scipy, matplotlib, sci-kit learn, etc.) In addition, from my experience on a team of volunteer community college instructors in San Quentin State Prison and at a interdisciplinary biotech startup environment, I learned communication, teamwork, and flexibility in a constantly evolving environment. Check out my blog at https://aawiegel.github.io to see descriptions of some of the projects I have worked on. Background Overview - Data Engineer II at Pivot Bio - Scientific Systems Manager at Pivot Bio - LIMS Product Owner at Pivot Bio - Data Engineer at Pivot Bio - Data Engineering Team Lead at Synthego - Data Engineer at Synthego - Data Scientist at Synthego - Data Scientist bootcamp at Metis - Postdoctoral Fellow at Lawrence Berkeley National Laboratory - Graduate Student Researcher at UC Berkeley - PhD, 2013, University of California - Berkeley, Physical Chemistry - BS, 2006, University of Wisconsin - Madison, Chemistry, Technical Japanese Skills Data Warehousing, ETL Linear Algebra, Statistics, Numerical Simulation (Numpy, Scipy, pandas) Computing Skills: Linux CLI, AWS Statistical Analysis of both observational and experimental datasets, Experimental Design Extensive experience working with physical measurements and numerical simulations Hobbies: Home brewing beer Cooking Running Board Games Other Organizations American Homebrewers Association Prison University Project
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Experience (9 roles)
Senior Data Engineer
CurrentBuilt CI/CD pipeline for internal application releases and model training workflows, standardizing deployment processes across data science teams. Designed medallion architecture prototype for image anomaly detection pipeline, establishing bronze-silver-gold data layers for production ML workflows. ...
3 roles · Oct 2021 - Sep 2025
Data Engineer II
Scientific Systems Manager
LIMS Product Owner
3 roles · Jan 2018 - Sep 2020
Engineering Team Lead, Data Engineering
Data Engineer
Data Scientist
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Education (2)
Metis
2017 - 2017
Poochr, an image and text-based dog breed recommender. Similarity with final layer of dog breed CNN image classifier and word embeddings for dog characteristics used to find closest dog breed to a user provided image and text description. Robocicerone, a computerized hipster to recommend beer based on your taste and favorite styles. Set up several AWS instances to web-scrape 6 million of user-rating pairs along with reviews and descriptions of beer and stored them in mongodb. Content-based and collaborative filtering recommendation systems were developed from this data, which included NLP/Topic modeling to extract beer characteristics/style information. Gathering data from the Department of Education API from 2013 into a PostgreSQL database to predict which 7,200 post-secondary education institutions closed or lost their accreditation by 2017. With this information, students can make informed decisions about the risks in choosing a college or university.
University of California, Berkeley
2006 - 2013
Activities and societies: Graduate student instructor (TA) for three courses in three semesters and two summer sessions, Graduate Student Researcher Ellman group fall 2006 to spring 2007, Graduate Student Researcher Boering group fall 2007 to winter 2013, Short Stay Fellowship in spring 2010 (3mo) doing research at IMAU in the Netherlands Research Boering group, Kinetic isotope effects in ozone formation and their photochemical transfer to carbon dioxide through O(1D)-mediated isotope exchange. Atmospheric observations of trace gases. Kinetic isotope effects in nitrous oxide formation in corona discharge.
Skills (2)
Certifications (2)▼
Developing Data Products
Coursera Course Certificates
Practical Machine Learning
Coursera Course Certificates
Publications (2)▼
Diffusive Confinement of Free Radical Intermediates in the OH Radical Oxidation of Semisolid Aerosol
Physical Chemistry Chemical Physics · Feb 6, 2017
Stochastic methods for aerosol chemistry: a compact molecular description of functionalization and fragmentation in the heterogeneous oxidation of squalane aerosol by OH radicals
Physical Chemistry Chemical Physics · Jan 6, 2015
Languages (2)▼
Volunteer Experience (1)▼
Instructor
Prison University Project
Jan 2013 - May 2019 · 6 yrs 5 mos
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