The Executive Team:
Background & Leadership
Perimetrics, Inc. was formed by Jim Earthman, Ph.D., an expert in percussion technology and Cherilyn Sheets, D.D.S., a world renowned dentist. Robert Hayman, former CEO of Discus Dental, the global leader in direct marketing and innovator of several leading and disruptive products and devices, joined Doctors Earthman and Sheets bringing with him expertise in startups, strategy, marketing and sales. The Executive Team is rounded out by a cross-section of tenured professionals who have collectively and successfully worked in the dental space for over 30 years.

- Co-Founder & Former CEO/Chairman, Discus Dental, Inc.
- #1 global direct dental manufacturer – from 1993 startup to $170 million
- Sold to Philips in 2010
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- Co-Inventor & Co-Founder Perimetrics, Inc.
- Internationally renowned Educator, Clinician, Lecturer & Author
- Clinical Professor of Restorative Dentistry, USC
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- Co-Inventor & Co-Founder Perimetrics, Inc.
- Professor: Dept. of Chemical Engineering & Materials Science, The Graduate Division, UC Irvine
- Associate Dean of Professional Development, University of California at Irvine
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- Current CFO, Hayman Advisors, Inc.
- Former VP Finance, Discus Dental
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- 20+ years of experience in enterprise IT, healthcare/life sciences & large scale data analytics/artificial intelligence
- Former IBM VP/Chief Technology Officer – led IBM’s entry into Cloud Computing
- Ph.D. Computer Science from MIT (AI Laboratory)
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- 13+ years of experience as an attorney, both in-house and private practice
- Holds a B.A. from Lafayette College and a J.D. from Southwestern
- University School of Law
- Published in several legal journals

- Former Executive Coach at Fortune Practice Management/li>
- 16 years of progressive management experience in Customer Service,Operations, Call Center Management, Inside Sales, Outside Sales, International Sales – a proven track record of success in all positions
BOARD OF DIRECTORS
Our BOMD is comprised of highly engaged, credentialed, trusted and respected members, covering a wide array of specialties and industries. Their experience brings practicality and expertise to help the team analyze complex global business issues and strategize solutions to achieve financial and commercial success.

Partner in Bain & Company
- Led Bain’s Global IT Practice for 15 years
- 40+ year career in senior leadership positionsin five major consultancies

- Strong background in MedTech
- Currently serves on the boards of Y-mAbs Therapeutics (YMAB), Evolus Inc. (EOLS), RapidPulse, Inc. and the Al Mann Foundation
- Recent past board Directorships – Strongbridge Biopharma (SBBP), Melinta Therapeutics (MLNT), Histogenics (HSGX) and Strata Skin Sciences (SSKN)
- Most recent operating role – Endochoice (GI) as CFO, then President & COO

- VP & CFO of Neutrogena Corporation
- EVP & CFO of Westwood One, Inc.
- Chairman, director & mentor to Discus Dental, Inc.

- Co-Founder & Former CEO/Chairman, Discus Dental, Inc.
- #1 global direct dental manufacturer – from 1993 startup to $170 million
- Sold to Philips in 2010

- Co-Inventor & Co-Founder Perimetrics, Inc.
- Internationally renowned Educator, Clinician, Lecturer & Author
- Clinical Professor of Restorative Dentistry, USC

- Co-Inventor & Co-Founder Perimetrics, Inc.
- Professor: Dept. of Chemical Engineering & Materials Science, The Graduate Division, UC Irvine
- Associate Dean of Professional Development, University of California at Irvine

- 13+ years of experience as an attorney, both in-house and private practice
- Holds a B.A. from Lafayette College and a J.D. from Southwestern
- University School of Law
- Published in several legal journals