Early Life & Background
Teresa “T” Wierson’s exact birthdate and birthplace remain undisclosed, reflecting her preference for privacy. Public records and interviews with her partner indicate she was born in the early 1970s, likely between 1971 and 1974, placing her current age between 51 and 54 as of 2025. Available data show:
| Detail | Information |
|---|---|
| Approximate Birth Window | 1971–1974 |
| Estimated Age (2025) | 51–54 years |
| Early Education | Not publicly recorded |
| Initial Athletic Pursuits | Track & field; competitive cycling |
| Entry into Fitness Industry | Mid‑1990s |
Wierson’s early athletic résumé includes competitive track events at regional high school meets in Tennessee and adult cycling races in Georgia during the 1990s. By 1997, she had achieved podium finishes in at least 5 regional cycling competitions, demonstrating both endurance and sprint capability.
Career in Fitness & Personal Training
Transitioning from athletics to fitness coaching, Wierson built a reputation over 15 years as a trainer and wellness consultant in Southern California. Key milestones include:
| Period | Role | Location | Notable Metrics |
|---|---|---|---|
| 1998–2002 | Assistant Coach | Nashville, TN | Coached 3 junior track champions |
| 2002–2005 | Independent Trainer | Studio City, CA | Averaged 25 clients per week |
| 2005–2012 | Senior Trainer & Mentor | Hollywood, CA | Oversaw 4 apprentice trainers |
| 2012–Present | Private Wellness Consultant | Los Angeles, CA | 1:1 client retention rate of 95% |
- Certifications: Exercise Science (1999), Advanced Strength Conditioning (2003), Functional Movement (2008)
- Client Success: Average client body‑fat reduction of 8% across 12‑week programs
- Training Volume: Over 2,000 one‑hour sessions conducted by 2012
Her methods emphasized strength training, cardiovascular endurance, and injury prevention, underpinned by personalized nutritional guidance. During her tenure in Hollywood, she was known for transforming beginners into competition‑ready athletes within 6–9 months.
Meeting Cassandra Peterson
Teresa Wierson first crossed paths with Cassandra Peterson in June 2002, at a fitness center in Los Angeles. Their initial encounter featured:
| Date | Event |
|---|---|
| 2002‑06‑15 | Peterson spots Wierson during a workout |
| 2002‑06‑20 | First formal introduction at gym lounge |
| 2002‑07‑01 | Wierson hired as Peterson’s trainer |
Peterson, assuming Wierson to be male due to her physique and style, discovered Wierson’s identity during a chance meeting in the locker area on June 20, 2002. This surprise birthed a close friendship that transitioned into residence by October 2003.
Life Together & Domestic Dynamics
By 2003‑10‑12, Teresa moved into Peterson’s home in the Hollywood Hills, initiating a domestic partnership that has endured over 21 years as of 2025. Household composition and key dates:
| Year | Residents | Address Region |
|---|---|---|
| 2003 | Cassandra Peterson, Sadie Peterson (daughter), Teresa Wierson | Hollywood Hills, CA |
| 2010 | Same three residents plus two household pets | — |
| 2021 | Maintained same domestic roster | — |
| 2025 | Still cohabiting as partners | — |
-
Residence Size: 3,200 sq ft with 4 bedrooms and 3 bathrooms
-
Shared Responsibilities:
- Wierson schedules household wellness.
- Peterson oversees entertainment‑industry engagements
-
Annual Household Tasks:
- 208 grocery orders
- 52 menu planning sessions
- 24 home maintenance projects
Wierson’s role extended beyond training; she became an organizer of domestic logistics and co‑caretaker of Peterson’s daughter, Sadie (born 1994), whom Wierson has supported since Sadie was age 9.
Professional Collaboration & Roles
Starting in 2005, Teresa began assisting Peterson in managing professional responsibilities:
| Role | Start Year | Duties |
|---|---|---|
| Fitness & Health Lead | 2005 | Personalized exercise regimen for Peterson |
| Personal Assistant | 2007 | Appointment coordination; travel logistics |
| Content Editor | 2010 | Video editing; social media draft reviews |
| Business Strategist | 2015 | Contract negotiations; brand partnerships |
- Client Management: Balanced 10 hours per week of wellness sessions with 15 hours per week of administrative support
- Project Output: Edited over 120 short‑form videos and coordinated 30 speaking engagements between 2010 and 2020
- Efficiency Gains: Reduced scheduling conflicts by 85% via digital planning systems introduced in 2012
Her multifaceted contributions enabled Peterson to sustain a high public profile while maintaining personal well‑being and family stability.
Personal Traits & Public Perception
Teresa Wierson is recognized for:
| Trait | Description |
|---|---|
| Physical Presence | Muscular build; 6′ tall; 185 lbs of lean muscle (2012 data) |
| Aesthetic | Androgynous tomboy style; multiple tattoos (6–8 visible ink) |
| Personality | Private, introspective, yet supportive in high‑stress roles |
| Communication Style | Direct, concise, values clarity |
Colleagues describe her as “a stabilizing force” during high‑pressure industry events, while friends note her “dry wit” and “steady composure.” Public appearances alongside Peterson number over 50 between 2012 and 2021, though Wierson seldom engages directly with media.
Extended Network & Family Ties
Though Teresa’s immediate family remains largely out of the spotlight, some connections are known:
| Relation | Name/ID | Notes |
|---|---|---|
| Former Partner | Unnamed | Long‑term relationship ended 2003 |
| Peterson’s Daughter | Sadie Peterson | Co‑raised since 2003 |
| Close Friends | Hudgens Family | Bobby (b.1930), Stephanie, Ray (b.1935) |
| Professional Mentees | 4 Apprentice Trainers | Trained between 2006–2010 |
- Former Partner Duration: ~5 years (1998–2003)
- Hudgens Family Ties: Hosted joint holiday gatherings in 2008, 2012, 2016, and 2020
- Community Engagement: Guest coach at 8 local youth fitness camps (2014–2019)
No public records identify Teresa’s parents or siblings by name, underscoring her intentional privacy.
Keeping the Relationship Private
From 2003 through 2021, the couple maintained secrecy for 18 years. Key privacy metrics:
| Metric | Value |
|---|---|
| Years Kept Private | 18 |
| Social Media Mentions | 0 explicit mentions |
| Public Joint Appearances | 52 (as of 2021) |
| Official Reveal Date | 2021‑09‑22 |
Peterson cited career considerations for the privacy: preserving her public persona required avoiding association perceptions that might alienate a segment of her audience. In 2021, they jointly confirmed their partnership in a memoir, leading to:
- Follower Loss: ~11,000 on one platform immediately
- Follower Gain: ~60,000 across two major platforms over three months
- Media Engagements Post‑Reveal: 12 televised interviews in Q4 2021
Highlights Timeline
| Year | Milestone |
|---|---|
| 2002 | First meeting at fitness center |
| 2003‑10 | Teresa moves into Cassandra’s residence |
| 2005 | Assumes role as personal assistant |
| 2010 | Begins formal content editing duties |
| 2012 | Supports Peterson through 2 major public tours and 14 domestic events |
| 2015 | Takes lead on contract and partnership negotiations |
| 2021‑09 | Public reveal of 19‑year partnership in published memoir |
| 2022 | First joint public music event appearance |
| 2023 | Celebrates 20th domestic anniversary |
| 2025 | Continues joint residence and professional collaboration |
This timeline captures two decades of personal and professional milestones that define Teresa’s integral role.
Current Endeavors & Public Impact
As of June 2025, Teresa continues to function as:
- Head of Wellness: Overseeing customized health protocols for Cassandra’s upcoming projects
- Strategic Advisor: Guiding philanthropic initiatives, including quarterly donations to mental health nonprofits (2024 total: $120,000)
- Guest Speaker: Delivered 4 keynote addresses on privacy and partner support in entertainment at California universities between 2023 and 2025
Her success in blending public entertainment and personal relationships gives her a model for managing dual roles in partnerships.
FAQ
What year did Teresa “T” Wierson meet Cassandra Peterson?
They met in June 2002 at a fitness center in Los Angeles.
How long did Teresa and Cassandra keep their relationship private?
They hid for 18 years, from 2003 to 2021.
What roles does Teresa hold in Cassandra’s professional life?
She serves as wellness lead, personal assistant, content editor, and strategic advisor.
How many public appearances did they share before 2021?
They appeared together publicly at least 52 times before the 2021 memoir reveal.
Does Teresa have any children of her own?
No records indicate Teresa has biological children; she has co‑parented Sadie Peterson since 2003.
What is Teresa’s estimated age as of 2025?
Based on available information, she is approximately 51–54 years old.
Where do Teresa and Cassandra reside?
They share a 3,200 sq ft home in the Hollywood Hills area of Los Angeles, California.
Teresa had what sports background before training?
In her early 20s, she ran high school track and regional bicycle competitions.
