Katharina Mazepa (born Katharina Nahlik) is an Austrian fashion model, former Miss Vienna, and environmental advocate. While she initially established a global footprint across major fashion houses, her public profile reached mainstream international attention due to her high-profile engagement with Miami plastic surgeon Dr. Leonard “Lenny” Hochstein.
Here is a complete look at her background, modeling career, advocacy, and relationship history.
Table of Contents
Katharina Mazepa at a Glance
| Detail | Information |
| Birth Name | Katharina Nahlik |
| Public Name | Katharina Mazepa |
| Date of Birth | August 19, 1995 |
| Birthplace | Vienna, Austria |
| Height | 5 ft 10 in (177 cm) |
| Title | Miss Vienna (2014) |
| Education | Environmental Engineering, BOKU University |
| Former Spouse | Shilo Mazepa (m. 2019; div. 2023) |
| Former Fiancé | Dr. Lenny Hochstein |
| Key Causes | Animal Welfare, Veganism, Environmental Sustainability |
Early Life and Academic Background
Katharina Nahlik was born on August 19, 1995, and raised in the Mariahilf district of Vienna, Austria. At age 15, she broadened her global perspective by spending a study-abroad year in Malaysia.
Unlike many traditional fashion models, Mazepa paired her early industry ambitions with a rigorous scientific education. She enrolled at the University of Natural Resources and Life Sciences (BOKU) in Vienna, studying environmental engineering. This academic foundation directly fueled her long-standing public advocacy for sustainability, conservation, and ethical consumption.
Modeling Career and Brand Campaigns
Katharina Mazepa entered the fashion industry in her teens and achieved her breakthrough in 2014 upon winning the Miss Vienna pageant. The title accelerated her transition into European fashion hubs such as Milan, Munich, and Barcelona.
Over the last decade, Mazepa has built an international portfolio spanning commercial, high-fashion, and swimwear modeling. She has fronted major brand campaigns and appeared in top-tier fashion publications:
- Global Fashion & Retail: Featured extensively as a Guess girl (including their worldwide Spring campaigns), Forever 21, and Dsquared2.
- Luxury & Bridal: Promotional work with Vera Wang, La Perla, and Kérastase.
- Editorial Features: Coverage across Elle, Harper’s Bazaar, and Maxim.
In addition to traditional print and runway campaigns, Mazepa cultivated a digital audience surpassing 1.5 million followers on Instagram, leveraging social media to build direct commercial partnerships.
Environmental and Animal Welfare Advocacy
Parallel to her commercial career, Katharina Mazepa has remained vocal about environmental protection and animal rights. Having adopted a plant-based lifestyle early in life, she has aligned her platform with major non-profit organizations:
- PETA Collaborations: Mazepa has partnered with People for the Ethical Treatment of Animals (PETA) to advocate against animal testing in cosmetics and medical laboratories.
- Conservation & Grassroots Work: During her high school and university years, she volunteered with Greenpeace and supported Austrian animal welfare groups such as Four Paws International (Vier Pfoten).
- Sustainability Education: In industry interviews, she regularly highlights the relationship between plant-based diets, reduced carbon emissions, and long-term planetary health.
Personal Life: First Marriage to Shilo Mazepa
In 2019, she married Shilo Mazepa, a United States diplomat, in Spoleto, Italy. Following the wedding, the couple relocated to Washington, D.C.
The pair separated in 2021, and their divorce was finalized in 2023. Following the split, she retained “Mazepa” as her professional surname while continuing to use her birth surname, Nahlik, on select platforms.
Relationship Timeline With Lenny Hochstein
Katharina Mazepa entered mainstream entertainment headlines in May 2022 when she began dating Miami plastic surgeon Dr. Leonard “Lenny” Hochstein. The romance drew intense media scrutiny as it coincided with Hochstein’s contentious divorce from The Real Housewives of Miami star Lisa Hochstein.
May 2022 ────────► July 2023 ────────► Sept 2024 ────────► Dec 2024 ────────► Early 2025
Romance Begins Ibiza Proposal Brief Split Re-Proposal Final Breakup
- May 2022: The relationship becomes public shortly after Lenny Hochstein announces his separation from Lisa Hochstein.
- July 2023: Hochstein proposes to Mazepa atop a cliff overlooking Es Vedrà in Ibiza, Spain.
- September 2024: The couple calls off their engagement and issues a joint statement to Us Weekly confirming an amicable split free of infidelity.
- December 2024: Following the finalization of Hochstein’s divorce, the pair reconciles, and Hochstein proposes for a second time.
- Spring 2025: The engagement ends permanently.
What Caused the Final Split?
In June 2025, Mazepa confirmed to Page Six that their engagement had quietly ended months prior and that she had personally initiated the decision to walk away and return the ring:
“After a meaningful chapter together, I’ve made the decision to respectfully end our engagement and return the ring… [I had] a quiet realization that sometimes love transforms, and letting go with grace is the most dignified path forward.”
Mazepa emphasized that she was not asked to return the ring but insisted on doing so. Following their separation, Hochstein began dating Russian model Alena Kovalenko, while Katharina Mazepa shifted her focus back toward independent modeling campaigns and environmental projects.
What Is Katharina Mazepa Doing Now?
Mazepa remains based in the United States, focusing on editorial modeling, digital content creation, and her environmental initiatives. In addition to fashion partnerships, she has expressed ambitions to expand into acting while maintaining her long-term focus on animal welfare advocacy.
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