About Calc
Calc LLC was founded by Dr. Yisong Geng (LinkedIn profile) in 2019. We are located in Wilton CT, close to Yale University. We are a small, dedicated business passionate about delivering innovative solutions that help our clients work smarter, make better decisions, and embrace the future of technology.
Our team blends technical expertise with a deep understanding of business needs, ensuring every project is tailored to deliver measurable value. We pride ourselves on building long-term partnerships and providing exceptional service.
Principles
- Scope for outcomes, not tools
- Ship small, iterate fast
- Make it maintainable
- Automate repeatable work
Service Lines
- Software development: AI, web, spreadsheet, database, custom software
- Robotics development: prototyping, physical AI
- Quantitative analysis: statistics, biostatistics, health economics & outcome research, epidemiology
🧾 Publications
Maintaining the confidentiality of our private client work is a priority for us. On the other hand, we take pride in the fact that a majority of our academic collaborations have been recognized and published in high-ranking peer-reviewed journals, including The Lancet.
- Active shooters and gun-free zones: emotional versus legal motivations
- Evaluating Disparities in Pathways to Breast Reconstruction
- The Association Between Metabolic Derangement and Wound Complications in Elective Plastic Surgery
- Predicting Academic Performance during Plastic Surgery Residency: Can Step 2 Scores Reliably Replace Step 1?
- Efficacy of Prophylactic Post-Operative Antibiotics in Tissue Expander-Based Breast Reconstruction: A Propensity Score-Matched Analysis
- ASO Visual Abstract: Air or Saline? A Propensity Score-Matched Analysis on the Effect of Tissue Expander Fill on Complications in Immediate Breast Reconstruction
- Defining the Value of Breast Reconstruction Surgeons: Quantifying Clinical Encounter and Operative Volume at an Academic Center
- Health plan enrollment and mortality in the Medicare program
- Analysing user-reported data for enhancement of SmokefreeTXT: a national text message smoking cessation intervention
- Tracking Complications and Unplanned Healthcare Utilization in Aesthetic Surgery: An Analysis of 214,504 Patients Using the TOPS Database
- Mapping Patient Encounters in Breast Cancer Care: An Analysis of 8800 Clinical Encounters Among Patients Undergoing Mastectomy
- The Influence of Age on Complications after Correction of Congenital Breast Deformities: A National Analysis of the Pediatric and Adult NSQIP Datasets
- Air or Saline? A Propensity Score-Matched Analysis on the Effect of Tissue Expander Fill on Complications in Immediate Breast Reconstruction
- Defining Predictors of Future Academic Productivity in Plastic Surgery Residency