Career Timeline of Chaim Bloom: Major Achievements and Milestones

By Popular Timelines Editorial Team · Updated: October 1, 2025

From career breakthroughs to professional milestones, explore how Chaim Bloom made an impact.

Chaim Bloom is an American sports executive who began his MLB career with the Tampa Bay Rays, eventually becoming their Senior VP of Baseball Operations. From 2020-2023, he served as Chief Baseball Officer for the Boston Red Sox. Following his tenure with the Red Sox, Bloom became an advisor for the St. Louis Cardinals and is set to succeed John Mozeliak as President of Baseball Operations after the 2025 season.

Sections (2)

Full Timeline Career & Achievements

1997: First Baseball Prospectus Article

In 1997, Chaim Bloom's first entry into the baseball world was an article in Baseball Prospectus.

February 2005: Starts with Tampa Bay Rays

In February 2005, Chaim Bloom began working for the Tampa Bay Rays as an intern.

October 2005: Hired Full-Time by the Rays

In October 2005, Chaim Bloom was hired by the Tampa Bay Rays full-time to work in Minor League Operations.

2005: Joins Tampa Bay Rays

In 2005, Chaim Bloom started his Major League Baseball (MLB) career with the Tampa Bay Rays.

2008: Promoted to Assistant Director

In 2008, Chaim Bloom was promoted to assistant director of Minor League Operations for the Tampa Bay Rays.

2008: Writes "Rays Way" player development handbook

In 2008, Chaim Bloom wrote the "Rays Way" player development handbook.

2011: Named Director of Baseball Operations

In 2011, Chaim Bloom was named Director of Baseball Operations for the Tampa Bay Rays.

2014: Promoted to Vice President

In 2014, Chaim Bloom was promoted to Vice President of Baseball Operations for the Tampa Bay Rays.

2015: Interviewed for GM position with Brewers and Phillies

In 2015, Chaim Bloom interviewed for the general manager position with the Milwaukee Brewers and Philadelphia Phillies.

2016: Interviewed with the Minnesota Twins

In 2016, Chaim Bloom interviewed for a position with the Minnesota Twins.

2016: Named Senior Vice President

In 2016, Chaim Bloom was named Senior Vice President of Baseball Operations for the Tampa Bay Rays.

2018: Interviewed with the Giants and Mets

In 2018, Chaim Bloom interviewed with the San Francisco Giants and New York Mets; Bloom was a finalist for the Mets' position.

October 25, 2019: Hired as Chief Baseball Officer by Red Sox

On October 25, 2019, Chaim Bloom was hired by the Red Sox as Chief Baseball Officer.

2019: Interviewed for Red Sox position

In 2019, Chaim Bloom interviewed for the Boston Red Sox' head of baseball operations position.

November 2020: Alex Cora Rehired

In November 2020, Chaim Bloom hired Alex Cora to return as the team's manager after fulfilling his suspension.

2020: Becomes Chief Baseball Officer for the Boston Red Sox

In 2020, Chaim Bloom became the Chief Baseball Officer for the Boston Red Sox.

2020: Red Sox Salary Reduction

In 2020, the Red Sox were trying to reduce salary and get under the luxury tax threshold, Bloom was hired because of his experience at managing a low payroll on the Rays.

2021: Red Sox Reach AL Championship Series

In 2021, the Red Sox reached the American League Championship Series.

September 14, 2023: Fired by Red Sox

On September 14, 2023, Chaim Bloom was fired by the Boston Red Sox after serving as Chief Baseball Officer. During his tenure, the team had a record of 267–262.

2023: Hired by St. Louis Cardinals as Advisor

After the 2023 season, the St. Louis Cardinals hired Chaim Bloom as an advisor to the president of baseball operations, John Mozeliak.

2023: Leaves Red Sox

In 2023, Chaim Bloom's tenure as Chief Baseball Officer for the Boston Red Sox ended. He served in the role from 2020 to 2023.

September 30, 2024: Named Next President of Baseball Operations

On September 30, 2024, the Cardinals announced that Chaim Bloom would succeed John Mozeliak as the team’s president of baseball operations following the 2025 season. Bloom and the Cardinals signed a five-year deal.