Budi Frensidy is a Professor in Finance and Capital Market at the Faculty of Economics and Business, Universitas Indonesia (FEB-UI) since 2019, a Chartered Accountant (CA) or a registered accountant (Ak. D-9100 and RNA 12915), and has been certified as a lecturer since 2008. He enrolled in the Mathematics Department, UI in 1983-1985, Accounting Department, UI in 1985-1990, Graduate Course in Accounting and Information Systems at Temple University, Philadelphia-USA in September-December 1991, the School of Finance at the University of New South Wales, Sydney-Australia in 1997-1998, and the Doctorate Program in Finance, FEUI 2006-2012.

Since February 1994, he has worked as a lecturer at FEUI. He has worked as the Office Manager and Coordinator of Graduate Programs (Master and Doctorate) in Economics and Management Studies (1999-2003), as the Deputy Head of the Accountancy Profession Program (PPAk) from 2003 to 2006, as the Head of the Extension Program in Accounting (2006-2009), as the Deputy Head of Accounting Department (2009-2013), as a member of FEB-UI Academic Senate (2017-2022), and as the Chairman of FEB-UI Academic Senate (2022-2027).

Currently, he teaches several courses in FEB-UI including Financial Mathematics, Quantitative Methods, Capital Market (Investment Management), Advanced Corporate Finance, Managerial Economics, and Corporate Governance & Risk Management in undergraduate and graduate programs and preparatory courses for CFA (Chartered Financial Analyst), CFP (Certified Financial Planner), CSA (Certified Securities Analyst), CPA (Certified Public Accountant), and CWM (Certified Wealth Manager) exams in Ikatan Akuntan Indonesia, Lembaga Sertifikasi Profesi - Pasar Modal (LSP-PM), Pusat Pengembangan Akuntansi (PPA) FEB-UI, Lembaga Management (LM) FEB-UI, and TICMI.

He has passed some professional certification exams (or requirements) such as CSA, CFP, CWM, CRP (Certified Risk Professional), CIB (Certified Investment Banker), CACP (Certification in Audit Committee Practices), ACPA (Asean Chartered Professional Accountant), CFA Level 1 & 2, and Associate CPA (Certified Public Accountant). He has written several books on mathematics of finance namely Matematika Keuangan 4th edition, Kumpulan Soal dan Jawaban Matematika Keuangan 2nd edition, and Financial Mathematics. His other books are Investments: an Indonesian Adaptation, Fundamental Methods of Mathematics for Business and Economics: an Indonesian Adaptation, Cerdas Menghadapi Trik Bank, Lihai sebagai Investor, and Gesit dan Taktis di Pasar Modal Berbekal Behavioral Finance. His book on Matematika Keuangan has been awarded as one of the best university textbooks from the Department of Accounting, FEUI (2009), from Universitas Indonesia (2010), and from Dikti-Depdiknas RI (2008).

He is currently a regular columnist in prestigious and nationwide business daily Kontan (Wake-Up Call Rubric since 2009), and previously in Sindo (Financial Mathematics Column) in 2010-2015, Bisnis Indonesia (Investment Column and Fund Column) in 2006-2011, and professional magazine Akuntan Indonesia (Capital Market Column) in 2008-2011. More than 600 popular articles have been written in these columns and in other national newspapers/magazines and 75 scholarly articles in nationally-accredited and international journals, and proceedings of national & international seminars/conferences since 2006. His research interests are corporate finance, capital market, behavioral finance, personal finance, and financial mathematics.

Furthermore, he is an investment advisor, independent commissioner, audit committee member, and risk oversight committee member at several corporations. He is also a consultant and a resource person at PT Djarum, PT Jasa Raharja (Persero), PT Jamkrindo, PT Pertamina, Bank Indonesia, Ministry of Finance, Ministry of Foreign Affairs, Ministry of Health, Indonesia Stock Exchange (BEI), and Financial Services Authority (OJK). For community services, Budi is one of the assessors of BAN-PT for S1, S2, and S3 programs in Accounting and has visited more than 120 universities from Sabang (Aceh) to Jayapura (Papua) since 2002.