About Us · Our Name
BYS
Short forBusiness Systems
SENTRA
MeaningCenter
BYSENTRA
Our nameBusiness Systems Sentra

Business Systems Sentra: the center where all your business systems meet.

Data, processes, teams and AI are no longer scattered across many apps. Everything connects in one center, then works together for your business.

Our Story

It started with one company, and grew to serve many businesses.

Since 2020 as BizApps.id, we have built systems inside real operations. That is where BYSENTRA was born.

  1. 01Real problems

    Stock discrepancies, late invoices, manual attendance.

  2. 02Built while in use

    Every feature was born from a real need.

  3. 03Proven, then productized

    What worked again and again, we turned into products.

  4. 04Now: AI inside the workflow

    AI does the repetitive tasks. You make the decisions.

Case Studies
Our Principles

Four things we stand by.

Trust is built by the way we work.

Your data is yours.

Operational data is never shared and never used for other clients.

Data-driven results.

Every result we report has been measured.

The system prepares, you approve.

Financial and customer decisions always go through human approval, with an audit trail.

Field-tested.

Every product is tested in real operations before it reaches you.

Founders

The people behind BYSENTRA.

Technology and business strategy, in one team.

Ripin Lie
Founder

Ripin Lie

Building AI into business operations.

In construction & property since 2006, IT since 2014. Built a distribution ERP, contractor project monitoring, field attendance and AI assistants. His principle: AI agents prepare, humans decide.

  • M.Kom. (Master of Computer Science), Binus University (thesis: RAG-based AI chatbot for property search)
  • S.T. (Bachelor of Engineering), Universitas Sumatera Utara
Hendra Kesuma
Co-Founder

Hendra Kesuma

Connecting technology with business strategy.

More than a decade in entrepreneurship and management: operations, digital channels, inventory and financial performance. Technology should improve decisions, not just move old processes to digital.

  • Harvard University, MLA in Management (candidate)
  • MITx MicroMasters, Supply Chain Management
  • Harvard Business School Online, CORe (Pass with Honors)
  • Harvard Business School Online, Disruptive Strategy
  • BA in Business Administration & Management
Team
Andrew Winata
Andrew WinataSoftware Engineer

Designs interfaces: shorter flows, clearer screens.

S.Kom., Universitas Mikroskil
Leo Hendrawan
Leo HendrawanSoftware Engineer

Tests new technology before it goes into production.

S.Kom., Universitas Mikroskil
Flarenshya Clearesta
Flarenshya ClearestaProduct Creator

Translates client workflows into processes and training.

S.Kom., Universitas Mikroskil
Samuel Onasis
Samuel OnasisSoftware Engineer

Keeps production systems stable every day.

S.Kom., Universitas Mikroskil

One AI system for your entire business.

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