Karen Elizabeth Diekmeyer, more popularly known online as That Vegan Teacher or simply Miss Kadie, is a Canadian YouTuber and former TikTok personality who rose to fame for her controversial approach to promoting veganism. Known for her unapologetically militant style, she has managed to spark significant debate across various social media platforms. This article delves deeply into her personal details, background, career, and her current influence in the digital world.
Personal Details

|
Attribute |
Details |
|
Full Name |
Karen Elizabeth Diekmeyer |
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Stage Name |
That Vegan Teacher / Miss Kadie |
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Date of Birth |
September 24, 1964 |
|
Age |
60 |
|
Nationality |
Canadian |
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Profession |
YouTuber, Vegan Activist, Former TikTok Personality |
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Height |
5 feet 6 inches (167 cm) |
|
Weight |
Approx. 55 kg (121 lbs) |
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Net Worth |
Approx. $1 Million |
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Known For |
Promoting veganism through controversial videos and activism |
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Social Media Presence |
YouTube, TikTok, and various social platforms |
Early Life and Background
Karen Elizabeth Diekmeyer was born on September 24, 1964, in Canada, which places her at the age of 60. Growing up in a society where meat consumption and dairy products were the norm, Karen’s journey to veganism was a process influenced by her strong ethical and environmental beliefs. Her commitment to this lifestyle, along with her desire to spread the message of compassion and animal rights, eventually led her to take her advocacy online.
Before her fame as That Vegan Teacher, Karen lived a relatively quiet life, working in various fields, but her passion for veganism eventually overtook her career trajectory. She became a prominent figure on social media, especially after gaining a massive following on TikTok and YouTube.
That Vegan Teacher’s Rise to Fame
That Vegan Teacher initially gained significant attention on TikTok, where her content became viral for its bold and direct approach. The TikTok platform provided her with an opportunity to reach millions of users worldwide, and her videos often garnered strong reactions, both positive and negative. Her content typically revolved around advocating for veganism, animal rights, and the environmental benefits of plant-based eating.
Karen’s unique ability to capture attention and generate discussion made her a controversial figure in the vegan community. Some admired her for her passionate and dedicated stance, while others criticized her for her aggressive tone and the way she sometimes demanded others to adopt her lifestyle.
In addition to TikTok, Karen also built a strong presence on YouTube. Her channel, which was initially dedicated to promoting veganism, has since evolved into a platform where she shares her opinions on a wide range of issues, often emphasizing the importance of compassion, respect for all living beings, and the ethical responsibilities of individuals in society.
Her Impact on the Vegan Movement

Despite her divisive style, That Vegan Teacher has made a considerable impact on the vegan movement. Through her advocacy, she has not only educated many about the ethical and environmental implications of animal consumption but also created a space for other people to explore a plant-based lifestyle.
One of the key factors contributing to her influence is her persistence in challenging conventional beliefs and exposing the ethical concerns associated with factory farming and animal exploitation. Although her aggressive approach has attracted backlash from both vegans and non-vegans, her tenacity has undoubtedly made her a recognizable name within the community.
Many view her as a pioneer who is not afraid to speak her mind, even if it means upsetting people along the way. Her controversial tactics, which include using humor and shock value, have sparked discussions that would have otherwise gone unnoticed. Through her bold statements and actions, she has opened doors for more progressive conversations surrounding veganism.
Controversies and Public Backlash
As with many viral influencers, That Vegan Teacher has been no stranger to controversy. Her militant approach to veganism has drawn sharp criticism from people across the globe. Many claim that her methods are too extreme, and they argue that her public shaming of non-vegan individuals could potentially harm the very message she’s trying to promote.
One notable controversy occurred when Karen made a video calling out celebrities who publicly advocate for animal rights while still consuming animal products. Her accusations of hypocrisy were met with strong disapproval from some of her fans, who felt that Karen was unfairly targeting individuals in a harsh manner rather than encouraging positive change.
Despite the backlash, That Vegan Teacher continues to push forward with her activism, standing firm in her belief that her approach is necessary to create awareness and spur action. For Karen, veganism isn’t just a lifestyle choice – it is a moral imperative that demands nothing less than complete commitment from those who claim to support animal rights.
Personal Life
While That Vegan Teacher is best known for her online presence, she has also led a relatively private personal life. Not much is publicly known about her early family life or her personal relationships, but it is clear that she has built a life centered around her passion for veganism and her desire to make a positive impact in the world.
Karen’s personal beliefs are deeply rooted in her ethical values, and she encourages others to lead more compassionate, responsible, and environmentally conscious lives. She has often cited the importance of compassion and empathy in her online content, urging her followers to not only adopt a plant-based diet but to also take part in movements that aim to end animal cruelty and protect the environment.
Net Worth and Career Success
As of 2025, That Vegan Teacher’s net worth is estimated to be around $1 million. Much of her wealth comes from her social media presence, particularly her YouTube and TikTok channels, where she monetizes her content through ads, sponsorships, and donations. Additionally, Karen sells vegan-related merchandise and has collaborated with various vegan brands over the years.
Her rise to financial success also demonstrates the potential for influencers in the vegan niche to create sustainable careers. By leveraging her platform, That Vegan Teacher has not only advocated for a cause she deeply cares about but also turned her passion into a profitable business venture.
Despite the controversies, Karen’s ability to convert her activism into an income stream speaks to the power of social media and the impact of niche content. Her example shows how digital influencers can monetize their values while making a difference in the world.
Physical Appearance and Stats
- Full Name: Karen Elizabeth Diekmeyer
- Stage Name: That Vegan Teacher / Miss Kadie
- Date of Birth: September 24, 1964
- Age: 60
- Height: 5 feet 6 inches (167 cm)
- Weight: Approx. 55 kg (121 lbs)
- Nationality: Canadian
- Profession: YouTuber, Vegan Activist, Former TikTok Personality
Conclusion
In conclusion, That Vegan Teacher is a figure who has created both admiration and controversy within the vegan community and beyond. Through her uncompromising approach, she has forced many people to rethink their dietary choices and question the ethics of animal consumption. Whether one agrees with her methods or not, there is no denying the influence she has had on the vegan movement and the larger discussion surrounding animal rights.
