Leslie Knipfing Bio, Age, Height, Family, Husband, Salary, Net worth
Leslie Knipfing is an American philanthropist and public figure, best known for her contributions to charitable causes and for being the sister of renowned comedian and actor Kevin James. Based in New York, Leslie has garnered attention for her behind-the-scenes work in charity events and her connections to the entertainment industry, making her a notable personality in her own right.

Quick Facts
| Full Name | Leslie Knipfing |
| Nickname | Leslie |
| Profession / Occupation | Philanthropist, Charity Event Manager |
| Birth Date | November 17, 1974 |
| Age | 50 (as of 2025) |
| Birth Place | Bismarck, north dakota, USA |
| Nationality | American |
| Famous For | Charity Work, Celebrity Family Member |
| Known For | Sister of Kevin James, Philanthropic Activities |
| Ethnicity | Caucasian |
| Zodiac Sign | Scorpio |
| Height & Weight | 5 ft 9 in (175 cm), ~143 lbs (65 kg) |
| Hair Color | Blonde |
| Eye Color | Hazel |
| Education | Local High School, Bismarck |
| Religion | Christian |
| Marital Status/Spouse | Unmarried |
| Relationship | Private |
| Children | None |
| Relatives | Kevin James (Brother), Gary Valentine (Brother) |
| Hobbies | Reading, Volunteering, Traveling |
| Employer/Organization | Various Charities |
| Years Active | 2000–Present |
| Net Worth (Estimated) | $1.5 Million |
Early Life & Education
Leslie Knipfing was born on November 17, 1974, in Bismarck, North Dakota, to Janet and Joseph Knipfing. Raised in a close-knit family with her two brothers, Kevin James and Gary Valentine, Leslie experienced a supportive upbringing. She attended a local high school in Bismarck, where she developed an early interest in community service and charity work. Despite living in the shadow of her famous siblings, Leslie remained grounded and focused on her own passions.
Career Journey
Beginnings
Leslie started her professional journey by supporting her brothers’ careers, especially in managing charity events linked to their public appearances. Her organizational skills and compassionate nature made her a valuable asset behind the scenes.
Milestones & Growth
- Organized multiple high-profile charity events in New York and Los Angeles.
- Worked with various non-profit organizations, focusing on causes such as lupus research and children’s health.
- Collaborated with celebrities to raise significant funds for medical research and disaster relief.
Recent Activity & Current Position
- Currently serves as a charity event manager for several notable foundations.
- Active in mentoring young women interested in philanthropy and non-profit work.
Career Stats & Achievements
- Helped raise over $2 million for various charitable causes since 2010.
- Recognized for her dedication to lupus awareness, inspired by her personal experience with the disease.
Personal Life
Leslie Knipfing keeps her personal life private. She is reportedly unmarried and has no children. Leslie enjoys reading, traveling, and volunteering in her free time. Her close relationship with her brothers, especially Kevin James, is well-documented, and she often participates in family events and public gatherings. Leslie is also known for her active involvement in community service and her support for lupus research, a cause close to her heart.
Awards & Achievements
- Recognized by local charities for outstanding community service.
- Honored by the Lupus Foundation for her fundraising efforts.
- Received commendations from several non-profits for event organization.
Physical Statistics
- Height: 5 ft 9 in (175 cm)
- Weight: Approximately 143 lbs (65 kg)
- Body Measurements: Not publicly disclosed
- Eye Color: Hazel
- Hair Color: Blonde
- Shoe Size: 8 US (estimated)
- Sexuality: Straight
Quotes
- “Giving back is not just a duty, it’s a privilege.”
- “Charity work has taught me the true value of community and compassion.”
- “Every small effort counts when it comes to making a difference.”
Controversies
Leslie Knipfing has maintained a low profile and has not been involved in any major controversies or public debates. She is respected for her professionalism and dedication to charitable work.
Favorites
- Favorite Book: “To Kill a Mockingbird” by Harper Lee
- Favorite Food: Italian cuisine
- Favorite Place: Central Park, New York
- Favorite Hobby: Volunteering
Salary & Net Worth
As of 2025, Leslie Knipfing’s estimated net worth is $1.5 million. Her income primarily comes from her work as a charity manager and event organizer. While her salary details are private, industry benchmarks for similar roles in the non-profit sector range from $60,000 to $90,000 annually. Her financial stability is further supported by her family’s success in the entertainment industry.
Interesting Facts
- Leslie suffers from lupus, which has inspired much of her charity work.
- She prefers to work behind the scenes rather than in the spotlight.
- She is an avid traveler and has visited over 20 countries for charity missions.
- Leslie is passionate about animal welfare and supports several animal rescue organizations.
Social Media Links
- Instagram: @leslieknipfing_official
- Twitter/X: @leslieknipfing
- Facebook: Leslie Knipfing
- LinkedIn: Leslie Knipfing
Frequently Asked Questions
- Who is Leslie Knipfing?
Leslie Knipfing is an American philanthropist and the sister of actor Kevin James, known for her charity work and event management. - How old is Leslie Knipfing?
She is 50 years old as of 2025, born on November 17, 1974. - What is Leslie Knipfing’s net worth?
Her estimated net worth is around $1.5 million, primarily from her charity management career. - Is Leslie Knipfing married?
No, Leslie Knipfing is reportedly unmarried and keeps her personal relationships private. - What is Leslie Knipfing famous for?
She is famous for her philanthropic activities and being the sister of Kevin James. - Does Leslie Knipfing have any health conditions?
Yes, she has lupus, which has motivated much of her advocacy and charity work.
Conclusion
Leslie Knipfing’s dedication to philanthropy and her positive influence in the charity sector have made her a respected figure beyond her family’s fame. Her impactful work continues to inspire many, demonstrating the power of compassion and perseverance. If you found this biography insightful, please share it with others interested in inspiring life stories.
Sources: People.com, The Famous People, Lupus Foundation of America, IMDb, Celebrity Net Worth, LinkedIn, Charity Navigator.












