Serg Bell (born Sergey Mikhaylovich Belousov, Russian: Сергей Михайлович Белоусов, 2 August 1971) is a singaporean businessman born in Leningrad, USSR, entrepreneur, investor and speaker, the founder and chairman of the board of Constructor, formerly known as Schaffhausen Institute of Technology (SIT) and multiple global IT companies, including Acronis, a global data protection company, and was the senior founding partner of Runa Capital, a technology investment firm.

[10][11] While earning his master's, Bell co-founded his first business, Unium (Phystech College), which provided science students with course materials.

Bell expanded the company's operations to 10 subsidiaries, becoming one of the largest PC retailers in Russia by the time he left in 1994.

[20] [21] Parallels, Inc. was initially a server automation and virtualization software unit of SWsoft before it was spun off into a separate entity and maintained its own distinct branding.

The company has more than 900 employees across offices in North America, Europe, Australia, and Asia, and as of 2012 it had 5,000 customers and partners worldwide.

[26] Bell co-founded Runa Capital in 2010 together with university mates Dmitry Chikhachev and Ilya Zubarev.

The three put in around $30 million in addition to capital raised from friends, family members, private investors, Goldman Sachs, UBS, etc.

[27] The firm invested in Europe and USA-based startups in the fields of deep tech, open-source software, machine learning, quantum computing, finance, education, and healthcare.

Due to slow development in Switzerland and for expansion of the market, Bell invested in the private Constructor University (formerly Jacobs) in Bremen, Germany, becoming its major shareholder.

[37] Bell is a co-founder at Acumatica, a global cloud ERP company founded in 2007 with headquarters in Bellevue, Washington.