Zac Carr

CEO and Co-Founder

Zac is CEO and Co-founder of Block Clinical, where he drives corporate strategies, growth, and operations. 10 years of experience delivering patient travel, payments, and trial logistics solutions. In 2015, Zac led development and launch of what is now a market leading patient support Company. He was later responsible for business operations, strategic and financial planning, marketing, public relations, compliance, technology deployment, and support of business development.

Mike Lewis

CTO and Co-Founder

Mike is the CTO and Co-founder of Block Clinical, where he leads product development, data compliance and security, and finance. 20+ years of professional software design and development. In 2007 he founded Ad-Juster, a web-based provider of unified data reporting and analytics for digital advertising that grew quickly through 2017 when he sold to pursue other passions.

Eric Nier

VP of Business Development

Eric is Vice President of Business Development at Block Clinical. In 2018 Eric joined as Block Clinical’s first employee where he now leverages his past experiences to create new and exciting solutions for his Clients. A seasoned business and account development professional with over 20 years of experience with companies like Ritz-Carlton, where his focus on providing hospitality to patients and clients derives from. Before joining Block Clinical, Eric helped grow a company focused on patient logistics fulfillment working with clients in the clinical trial space.

Terri Nier

Director of Client Services

Kelly Woldseth

Director of Product

Kelly is Director of Product at Block Clinical, where she oversees the Engineering team, develops new product features, and works on continuous product improvement. Previously, Kelly spent 9 years teaching Mathematics and Computer Science.

Patrick Fritzky

Client Services Manager

Patrick is Client Services Manager at Block Clinical, where he partners with Sponsors, CROs, and Trial Sites with a focus on payments. A professional in customer service, Patrick also holds an MBA from St. Mary’s College of California.

Helen Gibbs

Patient Services Manager

As Patient Services Manager, Helen collaborates with our sites to support trial participants by taking the stress and upfront cost out of travel planning and providing prompt reimbursement for approved out-of-pocket expenses. With a diverse background including positions in private and public event logistics management roles as well as medical social work, Helen understands the unique challenges and benefits that clinical trial participants experience as they make an invaluable contribution to medical research. Helen is grateful every day for the opportunity her BCI role provides to integrate her lifelong passion for enhancing the quality of life of patients with her experience in managing logistics.

Hayden Powers

UX/UI Engineer

Hayden graduated from the University of California, Irvine in 2023 and couldn’t be more happy to fulfill her passion for user research, product design, and front end development with Block Clinical. With experience across the stack, she finds the most enjoyment in designing, simplifying, and building interfaces that cater to what users need most.

Joshua Elmer

Internal Support Engineer

Joshua graduated from California State University, Fullerton in 2023 and jumped into his role as Internal Support Engineer at Block Clinical. His responsibilities include supporting the rest of the team in regards to the system, managing newly reported tickets, and testing any system changes before they go live.

Kai Colorado

Business Development Coordinator

Kai graduated from University of California, Los Angeles in 2022 and began his role at Block Clinical in late 2023. As Business Development Coordinator, Kai organizes company outreach and manages Block Clinical’s social media accounts and website.