Our Company

Inference Inc. was founded on the belief that there is a need for quality biostatistics and data management services in  drug development. Our operations are anchored in our deep experience in supporting a variety of development programs at the portfolio level, as well as expertise in support of individual studies. We translate trial objectives to testable hypotheses, develop optimal study designs, and formulate best analytical strategies for reporting the data. Our understanding of the science and the ever-changing regulatory expectations worldwide is reflected in how we collect clinical data, maintain integrity of the trial, and finally how we make statistical inference. After all, accurate clinical conclusions must rest on flawless execution and reporting of the data.


  • Headquartered in Chesterbrook, PA
  • Three offices, more than 65 professionals
  • Debt-free, privately held
  • Supports Phase I-Phase IV trials
  1. Combined management experience of over 150 years
  2. Completed more than 50 studies in last 3 years
  3. Combined experience of working on 1000+ studies.
  4. Project-based and Functional Service Provider (FSP) model

Leadership Team

Kalyan Ghosh

Chief Executive Officer

Kalyan is the Founder and Chief Executive of Inference Inc. With over 25+ years of experience in clinical biostatistics managing all phases of drug development, he brings a wealth of experience from his years in both big pharma and CROs. He has spent 13 years at Merck (in both early & late phases) and 4 years at BMS (late phase). He has led multiple regulatory filings for drugs and biologics with agencies world-wide. He also founded Vislation, a boutique CRO supported by Merck Capital Ventures, and which is now part of Cytel.

Kalyan serves as an expert statistical reviewer for several journals including The Lancet. Kalyan is a Fellow of the American Statistical Association.

Virginia Bellamy

Sr. Director, Data Management

Virginia serves as the Senior Director of Data Management at Inference, Inc. She is a certified clinical data management professional and brings over 25 years of expertise in Clinical Data Management. She has experience in all phases of drug development and has worked in the academic, CRO, and pharmaceutical industries including the University of Kentucky, Cognitive Research Corporation and Alcon. Virginia is responsible for overseeing a team of clinical data managers and database developers in order to meet operational targets and ensure quality and accuracy of data. She also trains and mentors the data management team. Virginia is a certified Medidata Rave Study Administrator and holds a degree in Healthcare Administration.

Tanusree Bhattacharya

Chief of Staff

Tanusree serves as the Chief of Staff helping Kalyan make day-to-day decisions for Inference. She manages timely preparation of sponsor deliverables, as well as ensures operational aspects of the business are robust. She is a certified SAS programmer and responsible for overseeing the programming of pharmacokinetic analyses. Before co-founding Inference with Kalyan, she worked as a statistical programmer at WCCT Global. She has a Master’s degree in Philosophy from University of Calcutta.

Lisa Hickey

Sr. Director, Statistics

Lisa is Senior Director, Statistics at Inference Inc. With over 19+ years of experience in clinical biostatistics managing all phases of drug development, she brings a wealth of experience from her years in both big pharma and CROs. Lisa has experience in all phases of drug development, navigating both the technical and regulatory domains. Before joining Inference, she worked at Teva, where she managed the Phase I group. In 2007, along with Kalyan she also founded Vislation, a boutique CRO providing biostatistics support to pharma companies.

Anuja Mitra

Sr. Director, Project Management

Anuja serves as Sr. Director of Project Management & Quality. She has over 16 years of experience in managing large programs and geographically distributed cross-functional teams for development, maintenance, re-engineering and migration of projects. At Inference she is also responsible for budgeting, forecasting and invoicing.   Before Inference Anuja worked as a senior IT manager at Cognizant and Tata Infotech. She has a degree in Architechture from Jadavpur University.

Anindita Bhattacharjee

Sr. Director, Biometrics

Anindita’s responsibility includes managing operations including statistical programming. She is a seasoned statistical programming manager with over 16 years of experience in delivering projects for global sponsors. She is a certified SAS programmer. Before joining Inference Anindita worked at Cytel and Novartis. She currently mentors the programming staff. Anindita has a Master’s degree in Statistics from Pune University.

Junko Kanda

Director, Business Development & Marketing

Junko serves as Director of Business development and Marketing, identifying business opportunities, expanding relationships with sponsors and as well as serving as a liaison between Inference and sponsors.  Prior to joining Inference, she was a marketing assistant for a Japanese chemical company. In this role, she handled SNS marketing, in-person events as well as working as a liaison between the foreign executives and local managers. Her passion is to help and serve others to realize the blind spots and to bring them to the next level in business and/or personal life. She lived in Japan half of her life and the other half in the US. Junko obtained a degree in International Business with emphasis in Asian culture.

The goal is to turn data into information, and information
into insight.

- Carly Fiorina
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