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$
USD
I will system modeling and simulation services using vensim
Brian O
About this gig
I will build professional system dynamics models in Vensim for your business needs.
What I Offer
Causal Loop Diagrams: Visual feedback structures, polarity marks, delay indicators
Visual feedback structures, polarity marks, delay indicators: Up to 15 variables, basic equations (level + rate + aux), dimensional consistency
Model Debugging: Fix compilation errors, unit mismatches, runtime issues
Scenario Testing: Base case + 1 alternative scenario with parameter changes
I specialize in:
- Business dynamics (market growth, inventory management)
- Population & resource models
- Simple epidemic/project management models
- Environmental systems (basic)
Why Work With Me
- Fast turnaround Most models delivered in 3-5 days
- Beginner-friendly explanations You get the model + understanding of how it works
- Revisions included 2 rounds of changes to get it right
- Source files included You own the .mdl file, no lock-in
My Workflow
- You share your problem, sketch, or requirements
- I build the model with intermediate check-ins for complex projects
- You receive working model + screenshot/video proof + documentation
Contact me today anytime to discuss your the needs and specifications for your project
Get to know Brian O
Brian O
The Analyst
- FromKenya
- Member sinceJun 2024
- Avg. response time1 hour
- Last delivery1 month
Languages
English
I’m a Customer Data and Business Intelligence Analyst experienced in turning raw business data into clear insights that support better decision-making. At Denri Africa, I analyze customer behavior, sales trends, and operational data across multiple locations. I specialize in Google Sheets automation, dashboard development, and data analysis to help businesses track performance, identify opportunities, and reduce manual reporting. I focus on building efficient data systems that transform complex datasets into practical, easy-to-use insights for business growth.
My Portfolio
FAQ
Do you provide the Vensim source file (.mdl) or just screenshots?
You get the actual working .mdl file with every package—no extra charge. I also include: Screenshots of key model views Brief documentation explaining structure Instructions to run it on your computer (Vensim PLE is free to download)
I have a system dynamics assignment due tomorrow. Can you help?
Possibly! Message me your requirements immediately. I offer rush delivery (12-24 hours) as a paid extra when my schedule allows. For same-day requests, I charge a premium rush fee and require immediate response to my questions. The earlier you contact me, the better your chances.
