云石基金主要投资天使轮及A轮的高新技术初创企业，投资领域聚焦于健康医疗、智能技术、先进制造等新兴科技产业。云石基金的投资地域主要集中在美国硅谷地区，力求发掘具有潜力的优秀创业者，与其携手深入开拓市场，打造顶尖的高科技企业。

云石在多个行业中拥有市场、资金及人才等方面的丰富资源网络。除提供资金帮助外，云石基金还将为创业者提供建议、指导及帮扶。

云石基金合伙人在投资、管理和技术方面拥有深刻的见解以及丰富的经验。在从事基金投资之前，每位合伙人均有超过20年的研发及商业开发经验，既涉及科技初创企业,也涉及美国行业领先科技企业。

Xianhong Wu is a partner of Cloudstone Venture Fund. He founded Beijing Verakin Investment Management Co., Ltd. in 1999, with a business scope including education training, mass media investment, corporate management consulting and investment planning. In 2002 He took over the Verakin High School of Chongqing and became the Chairman and principal of the school. Xianhong Wu also founded Verakin Group in Chongqing in earlier 2000, engaged in real estate development, education and technology investment. Since 2011 Xianhong Wu has personally invested in various start-ups originated from Harvard University and MIT.

Xianhong Wu obtained his master degree in International Finance from Beijing University and his PhD in Finance from Dongbei University of Finance & Economics. He did post-doc in Applied Economics in Beijing University.

Yong Tao is a managing partner of Cloudstone Venture Fund. He was the founding partner and Chairman of Beijing SDR Consulting Group. Prior to that, he was the Managing director of Navigant Consulting Asian Pacific and vice president of Strategic Decisions Group (SDG) in Menlo Park, California. Yong Tao has rich experience in investment, management and decision-making. He contributed to the investment and management decision processes of more than 30 Fortune 500 companies. During his career at Beijing SDR, he has led the team to complete more than 100 consulting projects for China Mobile across the provinces. Yong Tao has founded two technology companies and one decision management service firm.

Yong Tao graduated from Stanford Engineering School with a PhD in Management Science & Engineering.

Mark Zhang is a managing partner of Cloudstone Venture Fund. Mark is a high tech veteran with more than 20 years of experience, specialized in healthcare related fields such as medical device and biotech. He used to work at HP, Agilent and Tyco, and a few start-ups as earlier employee/co-founder, after successful exit he acted as an angel investor and has invested in various Silicon Valley start-ups. Mark was also a senior consultant and venture partner of Lucion Venture Capital (former name: Luxin Venture Capital) Holding Co., the only publicly traded VC/PE company listed on Shanghai Stock Exchange. He has helped Lucion Venture Capital to make significant investment decisions both in China and USA.

Mark Zhang graduated from Peking University with BSc degree and then obtained his Ph.D. from biophysical chemistry from Michigan State University. Mark Zhang is the co-founder/chairman of SV 1898 group. SV 1898 Group Inc is founded by PKU alumni in the Silicon Valley in 2016 and committed to provide a platform for innovation and entrepreneurship.

Xusheng Guo is a partner of Cloudstone Venture Fund. He worked at IDG venture capital in China since 1994 as the director of investment plan department, was in charge of venture investment operation for high-tech start-ups. In 1998 he founded China Technology Trading website which was the biggest online technology trading market in China at that time and had a significant impact on China’s technology trading development. He worked as executives in Greatwall Broadband Network and other big Internet companies. He recently acted as angel investor with various successful investment projects and assisted high-tech companies for early stage financing. He keeps a close relationship with institutional investors like Zhongguancun Angel Investment Committee of 100 （中关村天使百人会）, Intellectual Ventures, IDG Capital, Cerberus Capital, Legend Capital, 1898 Start-ups Coffee, Fang Fund Partners, etc.

Xusheng Guo graduated from Beijing University with BSc in Physics, he has attended EMBA of Corporate Management in Beijing University.