Tech leadership Manage a diverse team of engineers across the world to build a world-class fintech product.

Tech marketing strategy Worked with multiple seed-round startups with branding and technical products for growth marketing.

E-commerce strategy Taken an Indian, 50-year-old, brick-and-mortar clothing brand online. Built and managed the entire e-commerce platform tailored for emerging markets and expanded into new countries in South Asia. Increased 200% sales in four months.


PhD in Computer Science (2013-17) National University of Singapore, Singapore.
Thesis: Quantitative model checking of distributed probabilistic systems (PDF).
Advisor: David S Rosenblum. Previously, P S Thiagarajan (retired).

B.Sc in Mathematics and CS (2009-12) Chennai Mathematical Institute, India.


Time-bounded Statistical Analysis of Resource-constrained Business Processes with Real-time Distributed Probabilistic Systems Ratul Saha, Madhavan Mukund, and R. P. Jagadeesh Chandra Bose.
In SETTA 2016. Download here.

Polynomial Analysis Algorithms for Free Choice Probabilistic Workflow Nets Javier Esparza, Philipp Hoffmann, and Ratul Saha.
In QEST 2016. Download here.


Distributed Markov Chains Ratul Saha, Javier Esparza, Sumit K. Jha, Madhavan Mukund, and P. S. Thiagarajan.
In VMCAI 2015. Download here.

On Power Splitting Games in Distributed Computation: The Case of Bitcoin Pooled Mining Loi Luu, Ratul Saha, Inian Parameshwaran, Prateek Saxena, and Aquinas Hobor.
In IEEE CSF Symposium 2015. Download here.


(Talk) Internet of Things Asia. Expo Singapore • 28th Mar 2019.

(Talk) Three generations of Blockchain: from Bitcoin to moon PESIT, Bangalore • 12th Feb 2018
IIT Madras, Chennai • 7th Feb 2018


(Talk) An introduction to Blockchain: Disrupting industries and creating opportunities CMI, Chennai • 2th Feb 2018
IIIT Allahabad, India • 10 Oct, 2017

(Talk) On Power Splitting Games in Distributed Computation CESC 2017, UC Berkeley • 2 Oct, 2017 • YouTube


If you wish to pitch me your startup, please show me the technical side. If you are looking for technical advisory for your project, please mention your current standpoint and team members in the first email.

If you are a student looking for projects, please include your resume and area of interest in the first email.