Meet Our Team

We've assembled a team of interdisciplinary experts

Founder, CEO

Kali Tal, PhD

Kali has 35+ years of experience as a writer, editor, publisher, and teacher. She is an interdisciplinary scholar and has spent the past decade developing a medical and scientific writing curriculum. She is our resident visionary.

Co-founder, CFO

Jasen Best, BA

Jasen has a strong background in banking and finance, specializing in cultivating relationships and underwriting for established and start-up companies. He is responsible for managing money matters. He's usually near a spreadsheet.

Co-founder, Editorial Director

Prof. Kirsti Cole, PhD

Kirsti is a Professor of writing studies with a certificate in medical writing and editing. She educates teachers and directs online graduate programs in writing studies, communication, and literature.


René Marksitzer, PhD, MBA

Trained as a molecular biologist, René has 20 years of experience in marketing, sales, management, and business development in the healthcare industry.


Ramon Spahr, MSc

Ramon has 15+ years of experience in software development and architecture. An innovative engineer who loves to get things done, Ramon belongs to Puzzle ITC's technical board.


Prof. Olivia Keiser, PhD

Olivia is Head of the Division of Infectious Diseases and Mathematical Modelling at the Institute of Global Health, University of Geneva. She and her team have a strong publication record and an international reputation for expertise in public health.


Tal Herman, MsC, JD

Tal is a design leader who has worked with Fortune 500 companies to create compelling digital experiences that improve their customers' lives. He ensures our platform is a pleasure to navigate.