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Jennifer Brookhart Email & Phone Number

Director of Data Science and Cyber Analytics at Mastercard
Location: Salt Lake City, Utah, United States 12 work roles 2 schools
1 work email found @mastercard.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

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Current company
Role
Director of Data Science and Cyber Analytics
Location
Salt Lake City, Utah, United States
Company size

Who is Jennifer Brookhart? Overview

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Quick answer

Jennifer Brookhart is listed as Director of Data Science and Cyber Analytics at Mastercard, a company with 42669 employees, based in Salt Lake City, Utah, United States. AeroLeads shows a work email signal at mastercard.com and a matched LinkedIn profile for Jennifer Brookhart.

Jennifer Brookhart previously worked as Director of Data Science & Cyber Analytics at Mastercard and Lead Data Scientist - Cyber and Intelligence at Mastercard. Jennifer Brookhart holds Bachelor Of Arts - Ba, Political Science And Government from Gonzaga University.

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Email format at Mastercard

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{first}.{last}@mastercard.com
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Profile bio

About Jennifer Brookhart

The best work moments for me are seeing a team wrestle meaning from messy data and using it to drive (good) decision-making. I grow and manage teams of data scientists that work end-to-end on everything from data sourcing to model-building to production pipelines. I build quality, functional relationships with key stakeholders to ensure seamless integration of data analysis and data products to deliver top results to customers.Data Scientist with a Ph.D. in Political Science. Well-versed in machine learning, especially natural language processing (NLP), and the collection and management of messy, unstructured data. Passionate about extracting meaning from data and using it to drive (good) decision-making. Skilled communicator and team member.Data science skills:machine learning (natural language processing, supervised and unsupervised analyses, clustering), geospatial analysis, survival analysis, regression (linear, binary, count, ordinal)Tools/Languages: Linux, SQL, Python (scikit-learn, pandas, gensim, matplotlib, scrapy, flask), Stata, HTML, Latex

Listed skills include Statistical Data Analysis, Machine Learning, Natural Language Processing, Python, and 8 others.

Current workplace

Jennifer Brookhart's current company

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Mastercard
Mastercard
Director of Data Science and Cyber Analytics
Salt Lake City, UT, US
Website
Employees
42669
AeroLeads page
12 roles · 16 years

Jennifer Brookhart work experience

A career timeline built from the work history available for this profile.

Director Of Data Science And Cyber Analytics

Salt Lake City, UT, US

Director Of Data Science & Cyber Analytics

Current

Purchase, NY, US

2023 - Present ~3 yrs 4 mos

Lead Data Scientist - Cyber And Intelligence

Purchase, NY, US

2021 - 2023 ~2 yrs

Senior Data Scientist - Cyber And Intelligence

Purchase, NY, US

2020 - 2021 ~1 yr

Data Scientist For Marketing Insights

Austin, Texas, US

Provided data insights to third-party news outlets to support their stories and raise JungleScout brand awareness. Also supported internal teams in publishing information for sellers. Here are some of my favorite pieces:1) NYT's "He Has 17,7000 Bottles of Hand Sanitizer and Nowhere to Sell Them"2) WSJ's "Amazon Scooped Up Data From Its Own Sellers to.

2020 - 2020

Data Scientist

Austin, Texas, US

  • Orchestrated collaboration between data science and product teams, leading to new tools in product forecasting, competitor identification, and click and conversion rates, which help third part Amazon sellers manage.
  • Liaisoned between data science and marketing to provide analysis for thought leadership content, including the impact of Prime Day on sales, and global shifts in suppliers during US-China trade war. Work picked up by.
  • Headed team to estimate search volume on Amazon for 20M+ keywords, adopting systems to AWS framework with Apache Spark techniques to process 2.5TB of data. Final stacked model generates on-going estimates with 95%+.
  • Optimized a product discovery tool with a Naive Bayes classifier and threshold cutoffs, resulting in a 60% reduction of the false positive rate.
  • Improved the accuracy of core sales estimator model by 20% in the first four weeks of employment. Accomplished this by expanding the data pool to avoid selection bias and switching from calibration curves to a machine.
2018 - 2020 ~2 yrs

Fellow

San Francisco, CA, US

  • Created Landscope end-to-end, which geocodes plant growing information to users’ local addresses to return list of best plants for their area, with resulting accuracy 3 orders of magnitude higher than similar web apps.
  • Wrote advanced SQL queries combining 7 datasets from APIs and 21.6 GB of web-scraped plant data for collaborative filtering in Landscope.
  • Designed and led tutorials on statistics and on scrapy, a python library for collecting data from unstructured sources.
  • Consulted on 14 NLP and supervised machine learning projects.
2017 - 2019 ~2 yrs

Managing Editor

Constitutional Studies
  • Managed 5 person team to establish the journal. Oversaw first 2 issues.
  • Designed and maintained journal websites, drafted mission statement and protocols, and edited manuscripts.
  • Acted as liasion between authors, editor, and press
2015 - 2016 ~1 yr

Phd Researcher

Madison, WI, US

  • Team Management:
  • Directed a team of 11 researchers in analyzing 200,000 congressional documents, using a semi-supervised classifier and Bayesian hierarchical topic model, which designated the level of policy or district focus of each.
  • Oversaw 16 undergraduate and 3 graduate research assistants on data collection and analysis.Statistical Analysis:
  • By optimizing python code for sparse matrix calculations, improved discipline-standard topic model to be fully non-parametric and run 20x faster.
  • Crafted a new dynamic topic model using python and C++ to analyze the interactions between multiple corpora, including 2.6B tweets, 1.1M news stories, and 59K congressional documents.
  • Parallelized analyses to run over multi-core CPUs and the Wisconsin computing cluster.Data Wrangling:
2010 - 2016 ~6 yrs

Instructor

Madison, WI, US

  • Independently designed and taught 6 courses, ranging in size from 12 to 140 students.
  • Secured university funding for a lab-based blended learning seminar.
  • As head teaching assistant, assigned discussion sections and organized exam schedules and grading.
2010 - 2015 ~5 yrs

Workshop Coordinator

American Politics Workshop
  • Organized 37 workshops, including travel, schedules, and event promotion.
2013 - 2015 ~2 yrs

Program Manager

American Democracy Forum
  • Coordinated program activities for the start-up, including public events, courses, community education, and research projects.
  • Helped to permanently establish the Forum with a $2M endowment.
  • Won fellowship to travel to Pasadena, CA, for two-week seminar
  • Taught statistical analysis and research design in two honors seminars
2011 - 2014 ~3 yrs
Team & coworkers

Colleagues at Mastercard

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2 education records

Jennifer Brookhart education

Bachelor Of Arts - Ba, Political Science And Government

Gonzaga University

Doctor Of Philosophy - Phd, Political Science And Government

University Of Wisconsin-Madison
FAQ

Frequently asked questions about Jennifer Brookhart

Quick answers generated from the profile data available on this page.

What company does Jennifer Brookhart work for?

Jennifer Brookhart works for Mastercard.

What is Jennifer Brookhart's role at Mastercard?

Jennifer Brookhart is listed as Director of Data Science and Cyber Analytics at Mastercard.

What is Jennifer Brookhart's email address?

AeroLeads has found 1 work email signal at @mastercard.com for Jennifer Brookhart at Mastercard.

Where is Jennifer Brookhart based?

Jennifer Brookhart is based in Salt Lake City, Utah, United States while working with Mastercard.

What companies has Jennifer Brookhart worked for?

Jennifer Brookhart has worked for Mastercard, Jungle Scout, Insight Data Science, Constitutional Studies, and University Of Wisconsin-Madison.

Who are Jennifer Brookhart's colleagues at Mastercard?

Jennifer Brookhart's colleagues at Mastercard include Harits Harits, María Umaña Vélez, Arman Khan, Marinda Gross, and Kevin Anderson, Pmp.

How can I contact Jennifer Brookhart?

You can use AeroLeads to view verified contact signals for Jennifer Brookhart at Mastercard, including work email, phone, and LinkedIn data when available.

What schools did Jennifer Brookhart attend?

Jennifer Brookhart holds Bachelor Of Arts - Ba, Political Science And Government from Gonzaga University.

What skills is Jennifer Brookhart known for?

Jennifer Brookhart is listed with skills including Statistical Data Analysis, Machine Learning, Natural Language Processing, Python, Data Collection, Data Management, Sql, and Oral Communication.

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