Steven J. Semmelmayer

Founder at Mill Street Partners LLC

66 year

Health Technology

Consumer Services

Commercial Services

Profile

Steven J.
Semmelmayer founded Mill Street Partners LLC in 2011, where he is working as Managing Member from 2011.
Mr. Semmelmayer also currently works at Dental Trade Alliance, as Director and C3J Therapeutics, Inc., as Director.
Mr. Semmelmayer also formerly worked at Discus Dental LLC, as Co-Chief Executive Officer from 2008 to 2011, Den-Mat Holdings LLC, as Chief Executive Officer, American Dental Partners, Inc., as Director from 2008 to 2011, Novalar Pharmaceuticals, Inc., as Director, LED Medical Diagnostics, Inc., as Director from 2006 to 2011, C3 Jian LLC, as Director, The Childrens Dental Center of Greater Los Angeles, as Director, Sybron Dental Specialties, Inc., as President-Professional Dental from 1979 to 2006, and Kerr Corp., as President from 1993 to 2000.
Mr. Semmelmayer received his undergraduate degree from San Diego State University and Masters Business Admin degree from Pepperdine University.

Steven J. Semmelmayer active positions

Companies	Position	Start
Dental Trade Alliance	Director/Board Member	2010-07-08
Mill Street Partners LLC Mill Street Partners LLC Investment ManagersFinance Mill Street Partners LLC provides investment advisory services. It offers insurance, mutual funds, derivates, commodities and banking services. The company was founded by Todd J. Tiberi, Steve J. Semmelmayer and Robert Cartagena in April 2011 and is headquartered in Los Angeles, CA.	Founder	2011-03-31
C3J Therapeutics, Inc. C3J Therapeutics, Inc. BiotechnologyHealth Technology C3J Therapeutics, Inc. operates as a biotechnology company. It focuses on the discovery and development of novel targeted antimicrobials-synthetic bacteriophage and antimicrobial peptides. The company was founded by Randal Eckert, Maxwell H. Anderson and Wenyuan Shi in 2005 and is headquartered in Marina del Rey, CA.	Director/Board Member	-

All active positions of Steven J. Semmelmayer

Former positions of Steven J. Semmelmayer

Companies	Position	End
LED Medical Diagnostics, Inc. /Old/ LED Medical Diagnostics, Inc. /Old/ Medical DistributorsDistribution Services LED Medical Diagnostics, Inc. develops and markets medical screening devices. It provides detection of mucosal tissue abnormalities including malignant and pre malignant lesions to facilitate timely diagnosis and treatment based on a proprietary fluorescence visualization technology. The company was founded by Peter Whitehead in 2003 and is headquartered in Burnaby, Canada.	Director/Board Member	2011-11-27
Novalar Pharmaceuticals, Inc. Novalar Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Novalar Pharmaceuticals, Inc. develops and manufactures pharmaceutical products. It focuses on dental products. The company's OraVerse product (phentolamine mesylate) reverses the effects of local anesthetic with a vasoconstrictor and accelerates the return of normal sensation and function. The company was founded in 2000 and is headquartered in San Diego, CA.	Director/Board Member	2011-05-17
Discus Dental LLC Discus Dental LLC Medical SpecialtiesHealth Technology Discus Dental LLC develops, manufactures and distributes dental products such as tooth whitening, oral hygiene, preventatives, and restoratives. The company was co-founded by William Dorfman and Robert Hayman on December 7, 1990 and is headquartered in Culver City, CA.	President	2010-12-31
Sybron Dental Specialties, Inc. Sybron Dental Specialties, Inc. Medical SpecialtiesHealth Technology Sybron Dental Specialties, Inc. manufactures and markets dental and medical products. It provides twisted files, nickel titanium (NiTi) files, single patient kits for root canal, custom cabinet and drawer organizers, and custom wall charts. The firm offers implants, endodontic, restorative dentistry, and orthodontic markets. The company was founded in 1993 and is headquartered in Orange, CA.	Corporate Officer/Principal	2005-12-31
Kerr Corp. Kerr Corp. Medical SpecialtiesHealth Technology Kerr Corp. develops, manufactures, markets, and distributes dental products. Its brands are encompassed within the Kerr Restoratives, Kerr Endodontics, Kerr Rotary and Kerr TotalCare platforms. The company is headquartered in Orange, CA.	President	1999-12-31

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Training of Steven J. Semmelmayer

San Diego State University	Undergraduate Degree
Pepperdine University	Masters Business Admin

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Linked companies

Private companies	12
American Dental Partners, Inc. American Dental Partners, Inc. Miscellaneous Commercial ServicesCommercial Services American Dental Partners, Inc. provides business services to multi-disciplinary dental group practices. It also offers dental facilities and support staff to the affiliated practices and provides or assists with organizational planning and development, staff recruitment, employee retention, training programs, quality assurance initiatives, facilities development, employee benefits administration, procurement, information systems, technology, marketing, payor contracting, financial planning, reporting and analysis. The company was founded by Gregory A. Serrao in 1995 and is headquartered in Wakefield, MA.	Commercial Services
Sybron Dental Specialties, Inc. Sybron Dental Specialties, Inc. Medical SpecialtiesHealth Technology Sybron Dental Specialties, Inc. manufactures and markets dental and medical products. It provides twisted files, nickel titanium (NiTi) files, single patient kits for root canal, custom cabinet and drawer organizers, and custom wall charts. The firm offers implants, endodontic, restorative dentistry, and orthodontic markets. The company was founded in 1993 and is headquartered in Orange, CA.	Health Technology
Kerr Corp. Kerr Corp. Medical SpecialtiesHealth Technology Kerr Corp. develops, manufactures, markets, and distributes dental products. Its brands are encompassed within the Kerr Restoratives, Kerr Endodontics, Kerr Rotary and Kerr TotalCare platforms. The company is headquartered in Orange, CA.	Health Technology
Novalar Pharmaceuticals, Inc. Novalar Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Novalar Pharmaceuticals, Inc. develops and manufactures pharmaceutical products. It focuses on dental products. The company's OraVerse product (phentolamine mesylate) reverses the effects of local anesthetic with a vasoconstrictor and accelerates the return of normal sensation and function. The company was founded in 2000 and is headquartered in San Diego, CA.	Health Technology
LED Medical Diagnostics, Inc. /Old/ LED Medical Diagnostics, Inc. /Old/ Medical DistributorsDistribution Services LED Medical Diagnostics, Inc. develops and markets medical screening devices. It provides detection of mucosal tissue abnormalities including malignant and pre malignant lesions to facilitate timely diagnosis and treatment based on a proprietary fluorescence visualization technology. The company was founded by Peter Whitehead in 2003 and is headquartered in Burnaby, Canada.	Distribution Services
C3 Jian LLC C3 Jian LLC BiotechnologyHealth Technology C3 Jian, Inc. operates as a biotechnological research and development company. It provides development and commercialization of pathogen-specific and antimicrobials that treat and prevent diseases caused by microbial dysbiosis. The company is headquartered in Marina del Rey, CA.	Health Technology
Discus Dental LLC Discus Dental LLC Medical SpecialtiesHealth Technology Discus Dental LLC develops, manufactures and distributes dental products such as tooth whitening, oral hygiene, preventatives, and restoratives. The company was co-founded by William Dorfman and Robert Hayman on December 7, 1990 and is headquartered in Culver City, CA.	Health Technology
Dental Trade Alliance
Den-Mat Holdings LLC Den-Mat Holdings LLC Medical SpecialtiesHealth Technology Den-Mat Holdings LLC manufactures and markets dental products. The firm offers three main product categories: Consumables, Small Equipment, and a full-service Dental Laboratory. Its consumables include the brands known and trusted: Geristore, Core Paste, Tenure®, Ultra-Bond, Infinity, Splash, Precision, Perfectemp, Atridox and LumiBrite. The company was founded by Robert Ibsen in 1974 and is headquartered in Lompoc, CA.^ ^	Health Technology
The Childrens Dental Center of Greater Los Angeles The Childrens Dental Center of Greater Los Angeles Medical/Nursing ServicesHealth Services The Childrens Dental Center of Greater Los Angeles provides oral health prevention, education and treatment services to dentally underserved children and their caregivers. The company was founded in 1995 and is headquartered in Inglewood, CA.	Health Services
Mill Street Partners LLC Mill Street Partners LLC Investment ManagersFinance Mill Street Partners LLC provides investment advisory services. It offers insurance, mutual funds, derivates, commodities and banking services. The company was founded by Todd J. Tiberi, Steve J. Semmelmayer and Robert Cartagena in April 2011 and is headquartered in Los Angeles, CA.	Finance
C3J Therapeutics, Inc. C3J Therapeutics, Inc. BiotechnologyHealth Technology C3J Therapeutics, Inc. operates as a biotechnology company. It focuses on the discovery and development of novel targeted antimicrobials-synthetic bacteriophage and antimicrobial peptides. The company was founded by Randal Eckert, Maxwell H. Anderson and Wenyuan Shi in 2005 and is headquartered in Marina del Rey, CA.	Health Technology

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