Theodore E. Essenfeld is a white man from Chula Vista, California, United States. He grew up in Great Barrington, Massachusetts, USA.

Before moving to Chula Vista, Essenfield lived San Diego, California, in Colorado Springs, Colorado, USA, in Annandale, Virginia, USA, in Middletown, Rhode Island, USA and in Windsor, Connecticut, USA. He is an alumnus of Rensselaer Polytechnic Institute in Troy, New York, USA.

Essenfield is a captain in the U.S. Navy. Here are 13 more things about him:

1. In November 1990, he enlisted in the U.S. Navy.
2. From 1995 to 1998, he attended Rensselaer Polytechnic Institute where he earned his bachelor’s degree in technical and scientific communication.
3. From 2009 to 2010, he attended U.S. Naval War College in Newport, Rhode Island where he earned his master’s degree in national security and strategic studies.
4. From November 2010 to February 2012, he was a legislative fellow at the U.S. Senate in Washington, D.C., USA.
5. From 2015 to 2018, he was the commanding officer of Pearl Harbor,  a naval base near Honolulu, Hawaii, USA.
6. In 2018, he started dating a female civilian and they lived in San Diego. In December 1998, he was commissioned via the Naval Reserve Officer Training Corps.
7. In 2020, he was transferred to U.S. Northern Command in Colorado Springs. In November 2020, he began to register email accounts, social media profiles and even a disposable cell phone in his then girlfriend’s name.
8. In May 2021, his then girlfriend moved from California to Colorado to be with him.
9. In August 2021, he and his then girlfriend broke up.
10. From March 2020 to February 2022, he worked for the U.S. government as a NORAD and USNORTHCOM experimentation branch chief in Colorado Springs.
11. In January 2022, he moved back to San Diego.
12. In August 2022, he was assigned to the staff of Expeditionary Strike Group 3 in San Diego.
13. He was 51 years old when was arraigned on February 6, 2023 in federal court in San Diego on an indictment charging him with cyberstalking.