Greta Langhenry

15+ years of professional communications experience including technical editing, copy editing, and content creation, ensuring strict adherence to various style and visual guides. 15+ years of design work utilizing the Adobe Creative Suite of software (InDesign, Photoshop), Canva, and other various tools.

Librarian, I at Inyo County Free Library (2026-01 – Present)

• Serves as a public librarian, primarily in the Central branch of the Inyo County Free Library System
• Works directly with the after school and summer reading programs offered through the Owens Valley Unified School District

Programs Specialist at The Institute for Humane Studies (2024-01 – 2025-12)

• Manages the day-to-day execution of various graduate student and faculty programs, including budget oversight
• Manages relationships with key external partners - providing clear and consistent verbal and written communication
• Staffs IHS programs online and in-person
• Coordinates with other internal teams to drive project timelines

Baseball Rules Lead, Instructor at RefMasters (2024-01 – Present)

• Serves as an umpire instructor, providing classroom instruction covering the Official Baseball Rules (OBR)
• Works directly with RefMasters staff and other instructors, including MLB Umpires, to develop curriculum and provide instruction and feedback

President, Co-Founder at Level Ump (2023-01 – Present)

Co-founded Level Ump, a Florida-based 501(c)(3) non-profit focused on supporting women and other underrepresented groups who are interested in careers as baseball umpires

• Provides instruction based on the Official Baseball Rules

Administrator, Umpire Operations at Major League Baseball (2022-01 – 2023-12)

Started the season as an ABS Tech in Clearwater, Florida, and was moved to the Umpire Development team

• Evaluated Florida State League MiLB umpires for adherence to the Official Baseball Rules, individual park ground rules, and appropriate implementation of the two-umpire system
• Instructed at MLB Umpire Development Camps across the United States
• Assisted with the SURE system for all regular season and postseason games
• Worked to recruit and support new umpires, with a special focus on increasing diversity within the candidate ranks

Manager at The Cato Institute (2021-01 – 2022-12)

Hired as Marketing Coordinator, promoted to Marketing Manager within the first four months, and then again to Manager of the Libertarianism.org brand

• Created graphics, wrote copy, scheduled posts, and tracked performance for all social media accounts (with a combined total of over 270,000 followers) using various software including Hubspot, Falcon, Twitter, Facebook, Instagram, YouTube, and Google Analytics
• Tracked and enforced editorial deadlines

Communications Consultant at Self-employed (2013-01 – 2023-12)

Collaborated with various clients including:

• USDA Forest Service: Edited manuscripts for content and style, assuring compliance with GPO Manual Style. Worked closely with authors and full-time technical editors with the Southern Research Station to ensure manuscript quality and readability across audiences.
• Bloomberg Sustainable Business: Ghostwrote various materials. Identified, booked, and prepared individual speakers for various live events.
• Greer Amplification: Redesigned e-commerce emails and e-commerce website (digital sales rose 15.2%). Wrote copy & produced graphics for official Twitter account (followers increased by 25.7%).

Baseball Umpire at Various Leagues, MiLB Reserve List (2019-01 – Present)

Managed players, coaches, managers, and field staff during games, ensuring strict adherence to the Official Baseball Rules, various league rules, and ground rules, while employing the two-umpire system

• First female umpire to work in the Florida State Collegiate Summer League
• First female umpire to work in the Coastal Plain League

Honors Graduate, Professional Course in Umpiring – Wendelstedt Umpire School (2019-01 – 2026-12)

Bachelor of Arts in Linguistics – The University of Georgia (2006-01 – 2009-12)