Resume

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Data Science | Materials Engineering | Design

Experience

Principal Data Scientist | Shelf Engine | Seattle, WA | 2022 - Present

• Primary developer of multiple inventory including modeling inventory through simulations

Senior Data Scientist | Shelf Engine | Seattle, WA | 2021

• Technical lead for inventory and waste modeling
• Refactored forecasting pipeline code enabling account-level customization
• Built a stockout prediction model to estimate stockouts when no inventory data is available
• Took cold-start mapping from an entirely manual process to one that’s totally automated

Senior Data Scientist | Nordstrom | Seattle, WA | 2020

• Led assortment health initiative to provide buyers with diagnostics and recommendations how to improve the health of our multi-channel assortment using forecasting and optimization techniques
• Built on-order classification model to recommend cancellations due to COVID
• Designed and built prototype assortment optimization process using a genetic algorithm to create possible assortments from thousands of products

Data Scientist II | Nordstrom | Seattle, WA | 2018 - 2019

• Technical lead data scientist for the team developing “Look” algorithms
• Developed tool to reduce carbon-cost from shipping by suggesting items from closer fulfillment centers
• Designed and built algorithm to rank outfits for customers based on their style preference

Data Scientist I | Nordstrom | Seattle, WA | 2016 - 2018

• Lead data scientist developing Nordstrom “Look” algorithms
• Built machine vision algorithms that now power part of our computer vision platform

Data Science Consultant | Drizl | Seattle, WA | 2016

• Designed and built an image-featurization engine and clustering algorithms
• Built a recommender engine to cluster and suggest artworks based on personal preferences

Data Science Fellow | Galvanize | Seattle, WA | 2016

• Participated in an intensive 12-week, projects-based course covering state-of-the-art machine learning topics, statistics, Python, SQL, and Big Data tools
• Implemented many machine learning methods from scratch (linear regression, logistic regression, k-nearest neighbors, decision trees, random forest…)

Chief Design Officer | JumpStartCSR | Seattle, WA | 2015 - 2016

• Designed and manufactured 3D-printed intelligent insoles and orthotics
• Built UX/UI prototypes for our web-app and dataviz applications
• Assisted in the writing of technical documentation for two patents

Technical Editor | EWorldEditing | Eugene, OR | 2014 - 2015

• Edited the grammar and style of technical papers from foreign researchers for publication in English-speaking scholarly journals

Graduate Student Researcher | U. of WA | Seattle, WA  +  France | 2010 - 2015

• Collaborated with an international team to develop an integrated experimental/simulation approach to studying multifunctional, porous ceramics using freeze-casting and discrete-element modelling (DEM)
• Pioneered methods to simultaneously suspend dissimilar ceramic particles in an aqueous environment capable of freeze-casting
• Published 11 papers (3 first author) with 35+ citations in scientific literature

Biomedical R&D Intern | TDC Medical | Sunnyvale, CA | 2008

• Assisted in the prototyping of an ultrasonic cardiac catheter

Teaching Experience

High School and Undergraduate Student Mentor

MSE University of Washington

• Trained three high school and three undergraduates in proper research methods and engineering techniques

Teaching Assistant

MSE University of Washington

• Instructed students in the theory and procedures used in various engineering techniques

• Demonstrated proper laboratory notebook maintenance and technical report composition

Pre K - 5th Science Teacher

Mad Science of Los Angeles

• Ran hour-long after-school science classes for elementary schools in the greater LA area

• Focused on hands-on learning in a fun environment

Chemistry Tutor

California Polytechnic State University

• Led sessions of 5 - 15 freshmen-level chemistry students
• Developed supplemental materials to aid understanding for student’s individual needs

Education

University of Washington | Seattle, WA

• Ph.D. Materials Science and Engineering - 2015
• Master’s Materials Science and Engineering - 2013

California Polytechnic State University | San Luis Obispo, CA

• B.S. Materials Engineering - 2009

Publications

Published

• Ranking Looks at Nordstrom using Machine Learning - Medium.com, Published by Tech at Nordstrom (2019)

• Lichtner A, Roussel D, et al., Anisotropic sintering behavior of freeze-cast ceramics by optical dilatometry and discrete-element simulations - Acta Materialia 155, 15 (2018) 343-349

• Lichtner A, Roussel D, et al., Effect of macro-pore anisotropy on the mechanical response of hierarchically porous ceramics - Journal of the American Ceramics Society 99, 3 (2015) 979-987

• Lichtner A,Roussel D, et al., Dispersion, Connectivity and Tortuosity of Hierarchical Porosity Composite SOFC Cathodes Prepared by Freeze-Casting - Journal of the European Ceramics Society 35, 2 (2015) 585-595

• Roussel D, Lichtner A, et al.,Effective transport properties of 3D multi-component microstructures with interface resistance Computational Materials Science 96 (2015) 277-283

• Villanova J, Lichtner A, et al., Multi-scale 3D imaging of absorbing porous materials for solid oxide fuel cells, Journal of Materials Science (2014)

• Lichtner A, Bordia R, et al., Processing of Hierarchical and Anisotropic LSM-YSZ Ceramics  - Journal of the American Ceramics Society 96 (2013) 2745-2753

• Jauffrés D, Lichtner A, et al., Simulation of the elastic properties of porous ceramics with realistic microstructure, Modeling and Simulation in Materials Science and Engineering 20, 4 (2012)

• Jauffrés D, Lichtner A, et al., Simulation of the toughness of partially sintered ceramics with realistic microstructure, 60, 12 (2012) 4685-4694

Talks and Presentations

• Seattle Building Intelligent Applications Meetup (September 2017) - Invited Talk
• Forschuzentrum Jülich (August 2014) - Invited Talk
• Saint-Gobain R&D (June 2014) - Invited Talk
• ICACC 2014 - Daytona Beach, FL
• MS&T 2013 - Montreal, QC
• ICCPS 2013 - Portland OR
• GRC 2011 - Mount Holyoke, MA (Poster session)
• MS&T 2012 - Pittsburgh, PA

Awards

• Galvanize Foundation Diversity Scholarship - 2016
• Teaching Assistant of the Year - University of Washington - 2011
• Delimitros Fellowship - University of Washington - 2010

Leadership and Involvement

U District Square

• Advocates for public space and intelligent urban design in the U District of Seattle

• Successfully researched, applied for and won a grant to build a permanent public parklet

President’s Council of Student Academic Advisors (PCSA)

• Programming Coordinator - Organized and ran the annual three-day PCSA meeting for 50 international researchers in Montreal, Canada

• Founded, organized and ran the first ever PCSA sponsored nationwide Ceramics-in-Writing competition

Seatown Sound a Cappella

• Founding member and musical director

Alpha Sigma Mu (UW and Cal Poly)

• UW - Graduate Student Advisor

• Cal Poly - Vice President of local chapter

Engineers without Borders

• Health Officer - Performed health surveys of residents in Mae Nam Khun, Thailand