Dr. Clapshaw is our Scientific Director. He manages our blood draw center and oversees a manufacturing center for proficiency testing and calibrator and control materials. He has a very strong background in research and in clinical chemistry and has a great sense of humor. 

Professional Memberships

American Association of Clinical Chemists
International Society of Neurochemistry
American Society of Neurochemistry


• Enzymology,protein isolation, immunology (monoclonal antibodies)
• Neurobiology (general and neurological diseases)
• Neuromuscular Disease (Suppression Subtractive Hybridization)


• Biology, (Molecular, Cellular and Developmental)
• Psychology, (General and Physiological)
• Mathematics (General and Statistics)

Languages Spoken

• English (native)
• German (second)

Military Service

Vietnam-era Veteran,
Honorably Discharged from the US Army


B. A. Zoology | University of Washington, 1967
Secondary Teaching Credential | University of California, Los Angeles, 1968
M.A. Exp. Psychology | San Francisco State College, 1972
PhD Neurochemistry | University of Colorado, Boulder, 1976


1965 — 1966 — Research Technician in Human Genetics, University of Washington,
Seattle and City of Hope, Duarte
1968 — 1969: High School Science Teacher, Bayshore School District, Daly City
1969 — 1970: Technical Assistant in Medical Technology, San Francisco State College, San Francisco
1970 — 1971: Research Technician in Cancer Research, University of California Medical Center San Francisco
1972 — Teaching Assistant in Statistics, University of Colorado, Boulder
1972 — 1973: Instructor in General Psychology, University of Colorado, Boulder
1974 — Instructor in Physiological Psychology, University of Colorado, Boulder

1972 — 1974: Teaching Assistant in Molecular, Cellular and Developmental Biology, University of Colorado, Boulder
1975 — Research Assistant in Behavioral Genetics, Univ. of Colorado, Boulder
1974 — 1976: Instructor in Molecular, Cellular and Developmental Biology, University of Colorado, Boulder
1976 — 1981: Acting Director and Principle Investigator in Neurochemistry Max Planck Institute
1981 — 1983: Senior Staff Scientist in Neurobiology, the Queen’s Medical Center in Honolulu, HI
1983 — 1985: Principal Investigator in Neurobiology, Issaquah Health Institute
1985 — 1986: Research Scientist/Apolipoprotein Antibody Standardization Project, NWLRL
1986: Director of Research/Proficiency Testing Program, Solomon Park Research Institute; Director, Solomon Park Research Laboratories


Observer – Subcommittee on Validating and Implementing Secondary Reference Materials (Clinical and Laboratory Standards Institute)
Observer – National Reference System for the Clinical Laboratory Council
Treasurer – Lipids and Lipoprotein Division (AACC) 1999-2000
Member at Large – Lipids and Lipoprotein Division Management Team (AACC) 1998-
Acting Director – Neurobiology Section Friederich-Meischer Laboratory, the Max Planck Institute, Tuebingen, West Germany, Nov-Jan., 1976-1980

Peer Reviewed Publications

Clapshaw, P. and Schelsinger, K. In Vitro Incorporation of uridine triphosphate into nuclei of trained and control mice in Neuroscience Abstracts of the Sixth Annual Meeting of the Society of Neuroscience. Vol. II, p. 427 (1976).

Clapshaw, P. and Seifert, W. Isolation and characterization of 2′:3′-cyclic-nucleotide 3′-phosphodiesterase from bovine cerebral white matter. Hoppe-Seyler’s Zeitschrift fur Physic u. Chemistry. 358., p. 1189-90. (1977)

Clapshaw, P. and Seifert, W. Effects of detergents, proteins and lipids on 2: ‘3’-cyclic-nucleotide 3′-phosphodiesterase activity. J. Neurochem. 35, p. 164-69. (1980)

Clapshaw, P.A., Mueller, H.W. and Seifert, W. Characterization of 2′: 3′-cyclic-nucleotide 3′-phosphodiesterase: rapid isolation, native enzyme analysis, identification of a serum-soluble activity and kinetics. J. Neurochem. 36, p. 1996-2003. (1980)

Mueller, H.W., Clapshaw, P.A. and Seifert, W. Evidence for intracellular localization of 2′:3′-cyclic-nucleotide 3′-phosphosiesterade: limited proteolytic digestion, plant lectin affinity chromatography and immunological identification. J. Neurochem. 36, p. 2004-12 (1980)

Ranscht, B., Clapshaw, P.A., Price, J., Noble, M. and Seifert, W. A. monoclonal antibody used to follow the developmental appearance of surface galactosphingolipids in oligodendrocytes and Schwann Cells. Proc. Natl. Acad. Sci. U.S.A. 79, p. 2709-13. (1980).

Mueller, H.W., Clapshaw, P.A. and Seifert, W. Evidence for intracellular localization of 2′:3′-cyslic-cucleotide 3′-phosphodiesterase as examined by immunofluorescence and cell fractionation. J. Neurochem. 37, p. 947-55. (1981)

Ranscht, B., Clapshaw, P.A. and Seifert, W. Two molecular forms of the isolated brain enzyme 2′:3’-cyclic-nucleotide 3′-phosphodiesterase. FEBS Letters. 131, 37-40. (1981)

Clapshaw, P.A., Mueller, H.W., Weitholter, K. M. and Seifert, W. Simultaneous measurement of RNase and 2′:3′-cyclicnucleotide 3′-phosphodiesterase activities in the sera and spinal fluids of multiple sclerosis and control patients. J. Neurochem. 42, 12-15 (1984)

Warnick GR and Clapshaw PA, Avalibility of plasma with target values for certain lipids. Clin Chem. Dec; ;33(12):2323-4( 1987).

Mandell, H., Steene A.C., Reinhardt, B.N., Yoshinari, N., Weiner H.L., Clapshaw, P.A., and Munsal, T.L, Lack of antibodies to Borrelia burgdorferi in patients with Amyotrophic lateral sclerosis. New England Journal of Medicine. (1989)

Stratton, M.D. Perna V.P. and Clapshaw, P.A. Zero-Bias Cholesterol and Triglyceride Proficiency Survey. Clin Chem 368, 1855- 1856 (1990)

Lathia, K.B., Yan, Z., and Clapshaw, P.A. Spinal cord transcriptome analysis using suppression subtractive hybridization and mirror orientation selection. Cell Mol Neurobiol. 2006 May; 26(3):259-75. Epub 2006 Apr 18.(2006)

Yan Z. Lathia KB, and Clapshaw, PA Murine Spinal Cord Transcriptome Analysis Following Reduction of Prevalent Myelin cDNA Sequences. Cell Mol Neurobiol Feb 14 [Epub ahead of print] (2008)

Lathia, KB, Yan Z. and Clapshaw, PA Strategy for verifying myelin sequence up regulation in spinal cord transcriptomes( in progress).


Sean is Solomon Park’s Director. He is responsible for managing day to day operations, improving internal processes and meeting the expectations and needs of our clients.


Sean got his introduction to laboratory life when his father moved the family to Germany to take a position at Max Planck. He spent five years there, became fluent in German, and went to the laboratory after school where he would watch his Dad and researchers work with centrifuges and and spectraphotometers. With one caveat. Don’t push any buttons.


Later, when Sean was in high school, and Dr. Clapshaw started Solomon Park, Sean worked in the laboratory as an assistant and did everything from implementing technology to isolating lipoproteins. He joined the company full-time in 2008 and has never looked back


Frederick M. Klein-McNeil, DNP, ACNP-BC is a Double Board-Certified Advanced Practice Nurse with strong clinical, economic, and business acumen. He has worked in various academic medical centers across the nation and for medical device manufacturing, most recently at Medtronic. For the vast majority of Fred’s career, he has worked in Cardiology and Cardiothoracic Surgery caring for patients and families affected by advanced heart failure. While completing his Doctor of Nursing Practice at Oregon Health and Science University he studied the economic impact of patients implanted with ventricular assist devices. In addition to clinical roles, Fred has also worked in Reimbursement, Market Access, Regulatory and Health Economics and Outcomes.

Fred joined Solomon Park Research Laboratories as a consultant in January of 2019 to help support business growth and corporate development. Fred received his Doctor of Nursing Practice from Oregon Health & Science University, Masters of Science from the University of Rochester and Bachelors of Science from the University of Colorado. Fred lives in Forest Grove, Oregon and enjoys CrossFit, running, gardening and horsemanship.


Wayne is Solomon Park’s Controller. He is responsible for assisting our Director with managing day to day operations, improving internal processes and meeting the expectations and needs of our clients.

Wayne began working with Solomon Park in March of 2015 when Sean was looking for assistance in the accounting and management department. Wayne has a previous background as a business owner, operator, and manager between 1989 and 2007.  Wayne was the CEO of Cascade Elite Gymnastics, Inc., Technical Director for a 5-state region, and part of the USA Gymnastics Expert Clinician and National Teams program for more than 10 years. 


Wayne brings added experience to our team with his history in people management, work flow planning, quality and accountability systems, financial systems and management, problem solving, accounting and financial systems, and proactivity.  Wayne has known the Clapshaw Family since 1985 when he was attending the University of Washington.


Solomon Park Research Laboratories brings medical-grade professionalism to hematology manufacturing, storage, and distribution.


Solomon Park specializes in providing frozen serum and plasma with known levels of lipids and various other analytes.


Our  LRC's  have been used in more than a thousand labs to help medical professionals ensure that their equipment is accurately calibrated and perfectly configured.


Regardless of your size, we offer comprehensive cryogenic storage, retrieval, and delivery services.


Solomon Park Laboratories offers some of the world's most accurately calibrated hematology products. Accurate test results can be a matter of life and death. By partnering with an organization at the upper-echelon of this field, you make a commitment to the ongoing health and wellness of the people you serve.


Samples stored & shipped


Laboratories Served


Hematology Variants and Products




  • "Overall, it's been a great experience and even more than that. It's always productive and fun to work with professionals like Sean and his team."

  • "The quality is on par and Solomon Park is apparently best in class. They have done a fantastic job."