About us

BeSure Testing, Inc. is a vibrant company rooted in compassion, empowerment, and dignity.

Our team

At BeSure, our mission is ‘enlighten, enable, empower’.

All women deserve the opportunity to take charge of their own health. Our team is a dynamic collaboration of women, physicians, scientists, and clinicians.

Henry Grause


Dr. Grause is a retired Clinical Professor of Medicine from the University of California, San Francisco. He founded the first outpatient Dialysis facility in the U.S., as well as a successful nephrological critical care practice in San Francisco at the university. He is well-known in both medical circles and management entrepreneurial arenas.  

Dr. Grause was the Co-Founder and Chairman of the Board of Cistron Biotechnology, Inc. for seventeen years until it was publicly traded on NASDAQ. Citron was a clinical diagnostics company that used recombinant and monoclonal antibody technology.

Dr. Grause has been primarily involved in the management of multiple medical service businesses and in developing, owning, and managing medical real estate facilities.

Eric Duermeyer


Eric is a graduate of the University of Missouri – Columbia with nearly 20 years’ experience in the financial industry. After relocating to New York City from his home in the Midwest he began his career at Citibank, where he worked for nine years, ultimately as a Vice President in the Private Banking Division.

He then moved to JP Morgan Chase’s Corporate and Investment Bank, serving there as an Anti-Money Laundering Case Lead with a focus on Latin American institutional clients. He continued his AML work at Deutsche Bank for several years, reviewing Correspondent Banking clients all over the globe.

In 2020 during the Covid Pandemic, Eric moved with his family to California, to help launch BeSure Testing. He currently resides in Sonoma with his wife and daughter.

Brandy Rowell

Office Manager

For most of her career, Brandy has been the invisible glue that holds things together, first as an Equity Stage Manager, then as an office manager for The Really Useful Company and OpenTable.

This led to an extended stint as an event coordinator for a non-profit, and then finally as a studio coordinator and photoshop wiz for a bustling photography business, which closed its doors after Covid. She is now happily running the day-to-day operations at BeSure’s New York City office.

Jaymie Inouye

Marketing Associate

Meet Jaymie Inouye!

Jaymie is our Marketing Associate, and has been with BeSure for over a year. She oversees our social media strategy and helps coordinate communication and operations for many of our large-scale testing events.

When she’s not working for BeSure, she is reading, painting or doing anything she can outdoors.

Deirdre Firth

Ultrasound Technologist

Introducing Deirdre Firth!

Deirdre has twenty-six years of experience as an Ultrasound Technologist with twenty-one of those years training in and working specifically with breast ultrasound.

She’s excited to be working with BeSure to provide a screening tool that women of all ages can use to help fight breast cancer.