Julie Hollek

Julie Hollek is a seasoned data science professional currently serving as the Director of Data Science at Mozilla. Her career trajectory showcases a strong background in data science and leadership roles across prominent tech companies.

Career Progression

Julie's professional journey includes:

• Current Role: Director of Data Science at Mozilla (since April 2023)
• Previous Positions at Mozilla:
  • Sr. Data Science Manager (November 2020 - April 2023)
  • Data Science Manager (January 2020 - November 2020)

Before joining Mozilla, Julie held significant positions at other tech giants:

• Twitter:
  • Data Science Manager (July 2018 - January 2020)
  • Sr. Data Scientist (June 2016 - July 2018)
• Neustar, Inc.: Lead Data Scientist on Identity (February 2015 - May 2016)

Educational Background

Julie's academic credentials include:

• Ph.D. from The University of Texas at Austin (2010 - 2014) During her doctoral studies, she focused on analyzing the chemical composition of the oldest observable stars in the Universe, developing software to automate spectral line measurements.1

Skills and Expertise

At Mozilla, Julie leads the Revenue Data Science team and the Machine Learning DS group, indicating her expertise in these areas.2 Her diverse experience across different companies suggests a broad skill set in data science, machine learning, and team leadership.

Achievements

Julie has received recognition for her innovative work:

• "Most Useful in the Zombie Apocalypse" award at the Hackbright Silicon Chef Hardware Hackathon (September 2014)
• Honorable Mention at the EchoUser Asteroid Hackathon (October 2014)
• 2nd Place at the LinkedIn DevelopHer 2014 Hackathon (November 2014)1

These accolades demonstrate her creativity and technical skills beyond her professional roles.

Julie Hollek's career path reflects a strong commitment to data science and a progression into leadership roles, making her a notable figure in the field of data science and machine learning.