Oliver Dachsel: 7 Shocking Facts About The Investment Banker And Ubah Hassan's Fiancé

Oliver Dachsel has rapidly become a figure of intense public curiosity, moving from the high-stakes world of investment banking into the spotlight as the fiancé of *The Real Housewives of New York City* star, Ubah Hassan. As of December 2025, his career is experiencing a major new chapter, coinciding with his high-profile personal life, making him one of the most talked-about executives in the metals and mining sector and reality television circles alike. This article dives into the latest updates and little-known facts about the German financier, whose life story is far more complex than his title suggests.

The latest information reveals significant shifts in his professional trajectory, including a major move to a leading mining corporation and continued involvement in critical global financial projects. These professional milestones, combined with his recently announced engagement, paint a picture of a man successfully navigating both Wall Street and Hollywood’s periphery.

Oliver Dachsel: Biography and Professional Profile

Oliver Dachsel's career is a fascinating blend of military discipline, elite financial expertise, and entrepreneurial drive. His recent appointment in the mining sector and his relationship with a reality TV star have brought his private life into the public eye.

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• Real Name: Oliver Dachsel
• Birthdate: October 1980
• Age (as of Dec 2025): 45 years old
• Birthplace: Germany
• Nationality: German
• Profession: Investment Banker, Corporate Executive
• Current Role: Senior Vice President, Capital Markets at Aris Mining (Joined April 2024)
• Previous Role: Managing Director at Jefferies Financial Group
• Education/Early Career: Started his career at Deloitte; former Armed Forces mountain ranger
• Specialization: Metals and Mining Investment Banking
• Partner/Fiancé: Ubah Hassan, star of *The Real Housewives of New York City* (RHONY)

The High-Stakes Career Shift: From Jefferies MD to Aris Mining SVP

Oliver Dachsel's professional reputation was cemented during his tenure as a Managing Director at Jefferies Financial Group, where he became a key figure in the highly specialized and complex world of metals and mining investment banking.

The most significant and recent update in his career came in April 2024 when he transitioned to the corporate side, joining Aris Mining as the Senior Vice President of Capital Markets. This move is not merely a job change; it represents a strategic shift from advising on deals to directly influencing the growth and financial strategy of a major gold producer.

In his role as SVP of Capital Markets, Dachsel is responsible for managing the company's relationships with investors and the financial community, crucial for securing capital and driving major projects.

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His deep expertise in the sector is immediately evident in his public appearances, where he has been instrumental in communicating Aris Mining’s strategy, including discussions around the critical Soto Norte project in Colombia and the company’s recent $450 million senior notes issuance. This level of financial maneuvering highlights his influence and the trust placed in his capabilities to manage large-scale corporate finance.

7 Shocking Facts About Oliver Dachsel You Didn't Know

Beyond the boardroom and the reality TV buzz, Oliver Dachsel has a background full of surprising details that contribute to his successful and disciplined approach to life and finance. These facts help paint a complete picture of the man who is now a central figure in the lives of both financial analysts and RHONY fans.

1. He Was a Former Armed Forces Mountain Ranger

One of the most compelling details about Dachsel’s past is his service as an Armed Forces mountain ranger. This background speaks volumes about his discipline, resilience, and ability to handle high-pressure, high-risk situations—traits that are undoubtedly beneficial in the volatile world of investment banking and mining finance. This military training is a stark contrast to the typical Wall Street executive profile.

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2. He Specializes in the Metals and Mining Sector

Dachsel is not a generalist; his expertise is highly niche. He is renowned for his specialization in metals and mining investment banking. This focus means he possesses an intricate knowledge of global commodity markets, geopolitical risks, and the complex financing structures required for large-scale resource projects. This deep sector knowledge was the primary driver for his recruitment by Aris Mining.

3. His Move to Aris Mining Was a Major 2024 Industry Event

The announcement of Oliver Dachsel joining Aris Mining in April 2024 was a significant event within the mining and capital markets community. Leaving a top-tier investment bank like Jefferies for a Senior VP role at a corporation signals a major career ambition: to move from advising on wealth generation to directly orchestrating it for a company with vast gold resources.

4. He Is Engaged to RHONY's Ubah Hassan

Dachsel's personal life received massive public attention when it was revealed he was the long-term, yet private, boyfriend of *RHONY* star Ubah Hassan. The couple has been together for over a year, and recent reports confirm their engagement. Their relationship has been a central topic on the show, though Dachsel himself maintains a relatively low profile, preferring to keep his professional life separate from the reality TV drama.

5. He Began His Career at Deloitte

Like many high-level finance professionals, Dachsel's foundational corporate experience was built at a "Big Four" firm. He started his career at Deloitte, gaining crucial early exposure to financial analysis, auditing, and corporate advisory services. This initial training provided the essential business acumen that would later propel him into the demanding world of investment banking.

6. He Has Been a Featured Speaker at Major 2025 Mining Forums

Demonstrating his current influence, Dachsel has been a key representative for Aris Mining at major industry events, including presentations at the Mining Forum Europe 2025 and the Mining Forum Americas 2025. His presence at these forums underscores his role as the public face of the company’s capital markets strategy and his authority on the future of gold resources and project financing.

7. His Net Worth is Closely Tied to Investment Banking Success

While specific figures are often speculative, Oliver Dachsel's net worth is a direct result of his high-earning positions as a Managing Director at Jefferies and now as an SVP at Aris Mining. Investment banking, particularly at the MD level, involves lucrative compensation packages, including large bonuses tied to successful deal closures, which has allowed him to accumulate substantial wealth and financial success over his two-decade career.

The Ubah Hassan Connection: Navigating Public Life

The relationship between Oliver Dachsel and Ubah Hassan is a fascinating case study in blending financial privacy with reality television exposure. While Hassan has openly discussed her "mystery man" on *The Real Housewives of New York City*, Dachsel himself has largely remained out of the direct spotlight, a strategic choice common among high-level executives.

The public's curiosity peaked with the news of their engagement, solidifying their status as a power couple. This union brings together the worlds of global finance and fashion/media, with Ubah Hassan being a successful model and entrepreneur in her own right. The balance between Dachsel’s demanding role in the capital markets and his commitment to a public figure like Hassan requires a unique degree of discretion and management.

His ability to maintain a successful, high-profile career while being romantically linked to a reality star highlights his strong boundary setting and focus. The relationship, now moving towards marriage, is a testament to his versatility and ability to manage multiple high-stakes aspects of his life simultaneously, from a $450 million bond issuance to a televised engagement.