Mr. Leon Li ("Mr. Li") serves as the Chairman of the Board at Bitfire Group Holdings Limited (HKEX: 1611) and is concurrently the Founder of Avenir Group, a cutting-edge global investment group.

As a visionary pioneer in the global digital asset industry, Mr. Li founded Huobi Group in 2013, rapidly scaling it into one of the world's leading crypto asset trading platforms. Throughout his distinguished career, he has successfully launched multiple industry-leading fintech enterprises, establishing himself as a transformative entrepreneur driving the evolution of the financial technology era. In 2023, he founded Avenir Group with a strategic mission to bridge traditional finance with the crypto asset ecosystem, continuing to champion global fintech innovation and lead the industry's paradigm shift.

Mr. Livio Weng("Mr. Weng") was appointed as the CEO of Bitfire Group Holdings Limited (HKEX: 1611) on 26 August 2025. Mr. Weng possesses over a decade of extensive experience and deep expertise in blockchain infrastructure and virtual asset exchange operations.

From April 2023 to December 2024, he has served as COO of HashKey Group and CEO of HashKey Exchange, where he was responsible for corporate strategy, core business operations, and the expansion of the virtual asset trading platform. Prior to this, from November 2018 to April 2021, he was the CEO of Huobi Global, overseeing its strategic development and business growth.

Mr. Weng holds a Master's degree in Software Engineering from Tsinghua University and a Bachelor's degree in Software Engineering from Xiamen University. He actively participates in blockchain technology development across multiple major jurisdictions and maintains a comprehensive understanding of the digital asset sector. He has made significant contributions to promoting the compliant development of the blockchain industry in the Asia-Pacific region and globally.

Mr. Tim Xing ("Mr. Xing"), was appointed as the COO of Bitfire Group Holdings Limited (HKEX: 1611) on 26 August 2025.

Mr. Xing has over a decade of experience in the blockchain and virtual asset industry. Mr. Xing previously served as a consultant to HashKey Group. He was formerly the Chief Executive Officer of HashKey Bermuda Limited from February 2024 to May 2025, where he oversaw strategic development across international markets. He also served as the Chief Operating Officer at HashKey Exchange from June 2023 to February 2024, managing platform operations and compliance.

Mr. Xing held the position of Head of Spot Business at Bybit Exchange from November 2022 to June 2023 and the Head of Spot Operation & Head of Listing at Bybit Exchange from June 2021 to November 2021, where his responsibilities encompassed strategic planning, global expansion initiatives, and oversight of day-to-day exchange operations. He has also undertaken various leadership roles at Huobi Global, including the Director of Operations (from July 2020 to May 2021), Director of Key Accounts (from December 2019 to June 2020), and Assistant to the CEO and Head of Growth (from September 2018 to December 2019).

Mr. Xing holds a Bachelor’s degree in Software Engineering from Beijing Institute of Technology and is currently pursuing a Master’s degree in Business Administration (MBA) at Tsinghua University. His industry expertise and leadership experience are considered valuable to the Company’s development in the digital asset sector.

Mr.Guo Wenbin ("Mr.Guo"), was appointed as the CTO of Bitfire Group Holdings Limited (HKEX: 1611) on 26 August 2025.

Mr.Guo has more than 9 years working experience in top cryptocurrency exchange Hashkey and Huobi. Mr.Guo served as the CTO of Hashkey Group from May 2023 to June 2025, during which time Mr.Guo was responsible for architecting high-performance trading systems and driving technological innovation from concept to patent. Mr.Guo has served as the senior director of development of Huobi Group from January 2017 to June 2021, during which time Mr.Guo was responsible for leading the development of the exchange system.

He graduated from Dongbei University of Finance and Economics holding a college degree and is currently pursuing an Executive Master of Business Administration (EMBA) at The Hong Kong University of Science and Technology.

Ms. Lily Zhang("Ms. Zhang") serves as the CFO of Bitfire Group Holdings Limited (HKEX: 1611), and concurrently holds the position of Independent Director at Nasdaq-listed Nano Labs Ltd. (NA.Nasdaq). With over 15 years of deep expertise across corporate finance, cross-border auditing, and large-scale M&A transactions, she plays a pivotal role in the Group’s financial strategy and corporate governance.

Prior to joining Bitfire Group, Ms. Zhang spent years leading high-profile capital market initiatives. Notably, she spearheaded the landmark U.S. IPO of Canaan Inc. (CAN.Nasdaq), subsequently serving as its Vice President. Her extensive executive track record also includes serving as Vice President and Board Secretary of Shunwang Technology (300113.SZ), Director of Ciwen Media (002343.SZ), Senior M&A Manager at Guotai Junan Securities, and Senior Auditor at PwC.

Ms. Zhang possesses a uniquely distinguished and multidisciplinary academic background. She holds both a Bachelor's and a Master's degree in Automotive Engineering from Tsinghua University, an EMBA from Peking University, a Ph.D. in Applied Finance from the University of Geneva, and a Ph.D. in Global Finance from Temple University. She is also a non-practicing member of the Chinese Institute of Certified Public Accountants (CICPA).

Distinguished Economist and Renowned Columnist for Wall Street Insights, Chief Economist at Bitfire Group Holdings Limited (HKEX: 1611), Former Chief Economist at Northeast Securities, Acclaimed Author of the bestselling Witness book series, including Witness the Mindset, Witness the Tide, and Witness the Interplay.

Mr. Peng Fu("Mr. Fu") brings over a decade of elite international experience to his role as Chief Economist at Bitfire Group Holdings Limited (HKEX: 1611). Having lived and worked in the UK for more than ten years, his career spans pivotal core positions at top-tier global financial institutions and hedge funds, including Lehman Brothers and Salomon International Speculative. Back in China, he has served as Chief Economist at Northeast Securities and remained a trusted, long-standing advisor to major domestic financial institutions.

Mr. Fu is widely recognized for his profound expertise in global asset rotation and macroeconomic trends. As a visionary in FICC (Fixed Income, Currencies, and Commodities), he recently pioneered the groundbreaking "FICC+C" framework. In his acclaimed publication, Witness the Tide: Reflections on the Great Shift in Global Asset Logic, he unveils his proprietary Global Pyramid Framework and Total Factor Gear Model. Through these unique theoretical systems, Mr. Fu breaks down the underlying mechanics of economies and capital markets, offering investors invaluable frontline perspectives and establishing himself as a highly influential leader in the global financial sector.