# Teguh Eko Budiarto

> Teguh Eko Budiarto is an Indonesian technology entrepreneur, Prosa.ai co-founder and former CEO, and CTO at Rafiqspace.ai. His career spans IT, product management and telecommunications in Japan and Indonesia. At Prosa.ai, he helped commercialize Indonesian text and speech processing, with products ranging from anti-hoax tools to synthetic voices and transcription. His public work also includes executive education and contributions to Indonesian AI competency standards.

- **Role:** CTO at Rafiqspace.ai
- **Organizations:** Rafiqspace.ai, Prosa.ai, Brastel Indonesia, Brastel Co., Ltd., Handal Consulting, Conoco-Philips certification team
- **Nationality:** Indonesian
- **Education:** Bachelor’s degree in Informatics Engineering, Institut Teknologi Bandung, Master’s degree in Information Systems Security, Institut Teknologi Bandung
- **Known for:** Co-founded Prosa.ai in 2018 to develop Indonesian language AI., Led Prosa.ai during its 2019 GDP Venture Series A financing., Prosa.ai won the second Alibaba Cloud x KrASIA Global Startup Accelerator Indonesia Demo Day in December 2021.

## Career timeline

- **2002-2003** — IT staff on a Conoco-Philips certification team.
- **2003-2005** — Product Manager at Handal Consulting.
- **2005-2011** — System Planner at Brastel in Japan.
- **2011-2018** — Managing Director at Brastel Indonesia.
- **2018** — Became Prosa.ai co-founder and CEO; public profile lists January as the start.
- **2019** — Prosa.ai received Series A investment from GDP Venture and worked with the communications ministry on an anti-hoax chatbot.
- **2021** — Named on the Indonesian AI Knowledge Based System competency-standard drafting team.
- **2024** — Discussed new Prosa TTS voices and participated as a practitioner in ITB’s AI for Business Leaders program.
- **2025** — Named as an industry speaker at Universitas Indonesia’s Datathon 2025 workshop.
- **As of October 2026** — Rafiqspace.ai lists him as CTO and describes him as former Prosa.ai CEO; appointment date is not stated.

## Achievements

- Co-founded Prosa.ai in 2018 to develop Indonesian language AI.
- Led Prosa.ai during its 2019 GDP Venture Series A financing.
- Prosa.ai won the second Alibaba Cloud x KrASIA Global Startup Accelerator Indonesia Demo Day in December 2021.
- Contributed to Indonesian AI competency-standard drafting teams in data science and knowledge-based systems.
- Named co-author on an InaNLP Indonesian NLP Tools API research poster.

## Latest updates

- **2026-10** — Research check: Rafiqspace.ai’s leadership page lists him as CTO and former Prosa.ai CEO. This is the verification month, not an appointment date.
- **2025-07** — Universitas Indonesia’s Datathon report names him among industry workshop speakers, with his then-published Prosa.ai co-founder and CEO title.
- **2024-10** — Appeared at Pikiran Rakyat in Bandung to discuss AI and useful media content; also named as an ITB executive-education guest practitioner.
- **2024-04** — Discussed Prosa TTS voice characters Dimas, Ocha and Dini and plans for further voice features.

## Links

- LinkedIn: https://www.linkedin.com/in/teguheko/
- GitHub: https://github.com/teguheko

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Profile page: https://yespress.io/teguh-eko-budiarto
Published by YesPress — https://yespress.io
Last updated: 2026-10-20