Meet Our Team

A growth-oriented executive with a proven track record, Paul Beyer brings 20 years of leadership experience in healthcare services to the helm of Ascend Clinical. Mr. Beyer came to the company after serving as Specialty Laboratories, Inc.’s first externally recruited president. During his tenure as president, COO and a member of the Board of Directors, the company introduced more than 500 assays to the market and posted significant continued financial growth, culminating in a successful IPO on the New York Stock Exchange.

Prior to joining Specialty, Mr. Beyer was CEO of Medical Laboratory Network, a leading national provider of clinical laboratory testing services. Previously, he spent a decade at the Mayo Clinic in entrepreneurial leadership positions, most recently serving as the Director of Mayo Medical Ventures which identified and capitalized on opportunities to commercialize the clinical staff’s discoveries and innovations.

Mr. Beyer earned a bachelor of science in management from Niagara University and a master of business administration from Rensselaer Polytechnic Institute.

In the past 20 years, Patti Hunsader has provided operational direction and oversight for a range of facilities from start-up laboratories to large volume reference laboratory operations. A licensed clinical laboratory scientist, Ms. Hunsader completed a medical technology internship at San Jose State University and El Camino Hospital in Mountain View, California. She is a member of the American Society of Clinical Pathologists and California Clinical Laboratory Association.

Ms. Hunsader earned a bachelor degree in biological sciences from the University of California, Santa Barbara.

Jeffrey Vizethann has worked side-by-side with clinicians for more than two decades to understand and apply technical solutions to their laboratory services needs. Prior to joining Ascend Clinical, Mr. Vizethann served as Sales and Marketing Manager for Clinical Diagnostic Services. He began his career with SmithKline Beecham Clinical Laboratories.

Mr. Vizethann earned a bachelor of science in biology & chemistry and a master of business administration from New York University’s Stern School of Business.

With over 20 years’ financial leadership experience, Toni Chiang serves as Ascend Clinical’s Chief Financial Officer. Previously, she was the Senior Vice President of Finance and Chief Accounting Officer for Ichor Systems Inc., where Ms. Chiang oversaw the company’s finance and accounting functions. Prior to Ichor, she served as Corporate Controller for Intematix where she prepared the company’s confidential S-1 in preparation for a public offering.  Earlier, Toni served as the US Controller for Hitachi Global Storage Technologies (HGST) for the Western Digital Subsidiary (WDC), which generated $4B in annual revenue. In addition, she served in various financial reporting and Controllerships for Skyy Spirits, Solectron and LAM Research.

Mrs. Chiang began her career in San Francisco at Grant Thornton. A Certified Public Accountant, Ms. Chiang earned a Bachelor of Science in Accounting from Cal State University, East Bay.