Operational optimization
Routing, scheduling, and allocation engines on real operations research — with measurable cost reduction.
Routing · scheduling · allocationAI × Operations Research
AI for the decisions that run your operations.
Decision systems that automate approvals, optimize logistics, and price risk — grounded in real operations research and shipped as software you use.
Capabilities
Decision systems, end to end
AI + optimization for complex operational decisions — optimization science with measurable ROI, not a generalist AI shop.
Approval & workflow automation
LLM/RAG that reads documents and keeps an auditable trail.
Risk, fraud & forecasting
Detection, prediction, and executive decision support.
How we work
From conversation to product
One honest arc — prove the value early, then build only what the data says pays.
- 01
Approach
Understand your operation and where decisions cost you.
- 02
Define
Frame the decision precisely, in measurable terms.
- 03
Prove
A focused POC on your real data — value first.
- 04
Plan
Agree scope, milestones, and the path to production.
- 05
Build
Engineer the engine — tested, auditable, yours.
- 06
Deliver
Ship it, integrated, with the trail to trust it.
Your environment, or ours.
Cloud-native on AWS, Azure, or GCP — or deployed straight into your stack.
See it run
Interactive demos, on real data
Real solvers on the BIS backend — open one and watch it work.
Exact · in-browser
Separation-constrained layout
Fit the most people into a room under a separation rule — solved to proven optimality.
Open the demoInterval uncertainty
The price of robustness
At identical spend, which plan best resists uncertainty? A robustness score, two ways that agree.
Open the demoProven optimum
Anatomy of a failed anneal
201 runs, none feasible — take the failure apart, then reach the exact optimum in milliseconds.
Open the demoWho's behind BIS
Renan Butkeraites — optimization scientist, builder.
Founder of BIS and, today, IT Manager at SG LAW and Director of Technology at Fresh Codes. PhD in Operations Research (ITA / Unifesp), 7+ years shipping decision systems in production — LLM engineering fused with mathematical optimization.
PhDOperations Research
7+ yrsin production
5peer-reviewed papers
AtlantaGA · United States
- 2026 — now
IT Manager · SG Global Group · SG LAW · Atlanta, GA
Leads IT and law-specific LLM systems — legal research, contract review, and document analysis, with strong data governance and security.
- 2025 — now
Director of Technology · Fresh Codes
AI-driven product development — distributed cloud architectures (AWS/Azure), LLM-powered ML, and CI/CD; mentors the engineering team.
- 2025 — 26
Technical Lead · Serendipe — Instituto de Ciência e Tecnologia
Set the architectural direction across high-impact R&D projects and built the technical team.
- 2024 — now
Founder · BSI → BIS
AI & optimization consulting — the seed that became BIS.
Earlier: Optibus · Progress Rail (Caterpillar) · Safra · Porto Seguro · UniSoma.
Research & publications
PhD in Operations Research from ITA and Universidade Federal de São Paulo (plus a BSTech in Computational Mathematics). His doctoral work produced SIROM — a sampling-based robust optimization method that matched or beat the literature in 92.5% of cases — a distance-geometry method for 2D target location under uncertainty, and “Hardness,” a robustness measure for solutions under uncertain parameters. Every BIS engagement is built on that foundation: science, not model wrappers.
Selected publications
- A sampling-based multi-objective iterative robust optimization method for the Bandwidth Packing Problem
- Target location by a wireless sensor network from interval distances
- Forecast UTI: predicting intensive-care-unit beds during the COVID-19 pandemic
- A heuristic method for optimization under uncertainty based on Monte Carlo simulation
- Efficient frontier of credit risk using Monte Carlo simulation
Track record
Proven across operations-heavy industries
Results delivered inside real companies — the experience that shaped BIS.
7+years shipping systems in production
5peer-reviewed publications
$60Kper-month logistics cost saved
+45%more high-quality credit leads
Insurance
Porto SeguroModel deploy cut 5 days → 5 minutes; freight heuristic +~20% planning.
Banking
SafraCredit-risk, marketing-mix & PIX fraud — +45% high-quality leads.
Logistics
Progress Rail · OptibusRouting cut vehicles ~20%, saved ~$60K/mo across 40k+ locations.
Retail
Fashion e-commerceGPT-4 vision extracts product attributes and writes SEO copy.
Experience & research across
SG Global · SG LAWFresh CodesSerendipeOptibusProgress Rail (Caterpillar)SafraPorto SeguroITA · Unifesp
In their words
What it's like to work with Renan
Recommendations from teammates, managers, and mentors — verbatim from LinkedIn.
I had the opportunity to work with Renan for several years, first as my team lead and later as my manager, and I can confidently say he was one of the best leaders I have ever worked with. Even in complex situations, he stays calm, absorbs the weight of the problem, and guides the team with clarity toward the best solution.
Renan is among the most intelligent and hard-working people I've ever known. What impresses me the most is his ability to handle highly complex problems and translate their complexity into a language so all stakeholders can understand and take action.
Renan proved outstanding in software development, analytics, and mathematical modeling. His ability to design, develop, and optimize software solutions is commendable, reflecting a deep understanding of theoretical concepts and practical applications.
My experience working with Renan was amazing! He always positioned himself as more than just a developer, but as a highly committed problem solver — and people genuinely enjoyed (and had fun!) working with him as a leader.
Renan demonstrated immense professionalism, proficiency, a result-oriented approach, problem-solving skills, and humility as a teammate. He was always open to teaching and learning. I highly recommend him for roles in technology.
Renan has always shown professionalism, acute operations research knowledge, and, at the same time, excellent communication skills and empathy. Working with him was a pleasure, thanks to both his competent hard skills and his sensible soft skills.
He was a great team member, proposing solutions that improved the company and everyone involved. Thanks to his knowledge of DevOps and development tools we built our first MLOps platform, and he engaged everyone to write better, cleaner code.
A very helpful colleague who loves working as a team, contributing to the personal and professional development of his colleagues — and technically an excellent professional in software development.
Renan is truly a highly qualified professional, with great knowledge in developing systems using artificial intelligence. Working with him was very rewarding, innovative and a lot of learning.
Live demo
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