Management Team

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Gilbert N. Lam, Ph.D.

President & Chief Scientific Officer

Gilbert N. Lam is a Pharmacokineticist with more than 35 years of experience in the pharmaceutical industry. As President and Chief Scientific Officer of MicroConstants, he is responsible for overseeing the direction of the company and its overall operations. Prior to founding MicroConstants in 1998, Gil was the Executive Director of Preclinical Safety and Drug Disposition at CoCensys, a neuropharmaceutical company. Gil began his career at DuPont Pharmaceuticals where he supported various discovery and research activities. In 1994, he became the Director of Preclinical Pharmacokinetics and Metabolism at DuPont and was responsible for the development efforts in IND and NDA applications. Gil received his bachelor’s degree in Pharmaceutical Sciences from the State University of New York (SUNY) at Buffalo and his Ph.D. in Pharmaceutical Sciences from the University of Illinois Medical Center in Chicago, Illinois. He has co-authored more than 40 peer-reviewed publications and is a member of the American Association for Pharmaceutical Scientists (AAPS) and the International Society for the Study of Xenobiotics (ISSX).

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David F. Beyerlein

Vice President, Global Operations

David F. Beyerlein has over 20 years of experience managing laboratory operations, is an experienced analytical chemist, and is highly skilled in the use of the mass spectrometer. David co-founded MicroConstants with Gil in 1998. As Vice President of Global Operations, he is responsible for overseeing and managing all laboratory operations, project and sample management, and purchasing. Prior to co-founding MicroConstants, David was part of the mass spectrometry group at Covance’s facility in Madison, Wisconsin. Before joining Covance, he was a Senior Research and Development Scientist the Madison facility of PPD where he started their Bioanalytical LC/MS/MS Department. David received his bachelor’s degree in Chemistry from the University of Wisconsin – Eau Claire.

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Jose Buenviaje

Vice President, Quality Assurance & Regulatory Compliance

Jose V. Buenviaje has over 25 years of research, analytical, and manufacturing experience in the biotechnology industry and more than 23 years of experience with Quality Assurance Compliance related to cGLP and cGMP regulations. As Vice President of Quality Assurance and Regulatory Compliance, Jose serves as the executive quality authority in all interactions with Regulatory representatives. He is also responsible for the creation, compliance, and deployment of MicroConstants’ global quality system, including internal GLP policies and procedures consistent with internationally recognized standards. Prior to joining MicroConstants in 1999, Jose was the Quality Assurance Supervisor at Syntron Bioresearch, a licensed Medical Device Establishment in Carlsbad, California. Before Syntron, Jose spent five years working in the field of forensic chemistry and has testified as an expert witness in the field of toxicology for numerous cases for the state of California. Jose received his bachelor’s degree in Biology/Psychology from the University of California, San Diego.

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David A. Johnson, Ph.D.

Senior Director, Drug Metabolism

David A. Johnson has over 20 years of experience implementing and managing preclinical drug discovery contract research services. In 2000, he joined MicroConstants, establishing the Drug Metabolism group which is responsible for preclinical drug metabolism research and non-GLP discovery bioanalytical research. Previously, David was the Drug Metabolism Product Development Manager for the Pharmazyme division of Immune Complex Corporation. Prior to Pharmazyme, David was a Research Assistant at Hybritech where he developed methods to automate the radiolabeling of monoclonal antibodies for use in medical diagnostic kits. He received his bachelor’s degree in Chemistry from the University of California, San Diego and his Ph.D. from the University of Minnesota, Twin Cities.

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Richard Egolf

Director, Business Development

Richard Egolf has over 13 years of business development experience offering contract research services to pharmaceutical, biotech and medical device companies. Since joining MicroConstants in 2014 as Director of Business Development, Richard has been responsible for developing new business opportunities in the United States. Before joining MicroConstants, Richard was a Business Development Manager at Absorption Systems representing all areas of service; DMPK, ocular, biologics and medical device. He received his bachelor’s degree in Microbiology from Pennsylvania State University in University Park, Pennsylvania.

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Bruce Babson

Director, Method Development

Bruce Babson has over 40 years of experience developing chromatographic methods for regulated analysis. Bruce started his career as a Chemist in his home state of North Carolina. The analytical methods he developed to analyze samples for pesticides, herbicides, other potential soil and air pollutants became the industry standard for both the EPA and USDA. He also supported arson investigations by analyzing accelerants and was recognized as an expert witness in that field. After moving to Madison, Wisconsin, Bruce joined PPD where he managed their bioanalytical R&D Department. Bruce received his bachelor’s degree in Chemistry from the University of North Carolina – Chapel Hill.

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John Marcelletti, Ph.D., MBA

Senior Director, Immunology

John Marcelletti has over 25 years of drug development experience, much of which involving regulated bioanalytical lab operations (GLP, CLIA, CAP). As Senior Director of Immunology, he oversees the development and validation of immunoanalytical and enzymatic methods in support of large molecule drug development, including preclinical and clinical pharmacokinetic, anti-drug antibody, and biomarker analyses.  Previously, Dr. Marcelletti was Senior Lab Director of Immunoanalytical & Cell-based Biotechnology Services for Tandem Labs San Diego (LabCorp Clinical Trials).  Prior to that, he held a variety of positions directing translational medicine operations in oncology, virology, and autoimmunity, mostly focused on incorporation of biomarkers into clinical studies as PD and CDx tools for drug development.  His team at Avanir Pharma was integral in the invention, development, and FDA approval of Abreva®, a topical antiviral therapeutic for recurrent herpes labialis.  John received his Ph.D. from the Department of Immunology and Microbiology, Wayne State University School of Medicine, Detroit, Michigan. He also holds an MBA from The Haworth College of Business at Western Michigan University. He has >80 scientific publications including primary research journal articles, book chapters, and patents.

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Trang Le

Associate Director, Immunology

Trang Le has more than 20 years of leadership experience in large molecule immunochemistry analyses in a regulated laboratory environment.  At MicroConstants, Trang plays a key role in coordinating the activities of the immunology scientific staff, drives development and validation projects for large molecule drug immunoanalytical methods in support of regulated pharmacokinetic (PK), toxicokinetic (TK), and antidrug antibody (ADA) analyses of preclinical and clinical biological samples.  Trang joined MicroConstants from BioAgilytix Labs where she was the Principal Scientist developing & validating biomarker, cell-based immunogenicity, immunoassays and enzymatic assays for support of preclinical, clinical and product release studies.  From 1999-2015, Trang was the Project Manager/Principal Investigator at Intertek Pharmaceutical Services making sure analytical assays (cell-based, ELISA, & ECL) met the final requirements of QA review and release of data and reports to clients.  Prior to those roles, she worked at Performance Bioanalytical Inc., at PharMingen, and at Scripps Immunology Reference Laboratory.  Trang received her bachelor’s degree in Biochemistry and Cell Biology from the University of California, San Diego.

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Thu Hanesana

Manager, Immunology

Thu Hanesana received her bachelor’s degree in General Biology with a minor in Psychology from University of California, San Diego and has over 16 years of experience in the pharmaceutical industry. She joined MicroConstants in 2019 as Manager of Immunology, where she oversees the day-to-day operations of the Immunology department. She also serves as the Validation Study Director and Principal Investigator for method validation and sample analysis, respectively. Previously, Thu was a Bioanalytical Project Manager at LabConnect, Inc. where she was contracted to a pharmaceutical company to oversee the CROs performing method development, method validation, and sample analysis for the programs that she was assigned to. Thu monitored performance of the methods, provided analytical oversight through data review and trending analysis, managed timelines, and provided troubleshooting support to CROs. Prior to that, she was a Principal Investigator at Intertek Pharmaceutical Services and was employed there for over 14 years. Thu has held other roles at GenomeDx (now Decipher Diagnostics), where she worked on prostate, breast, and bladder cancer research and Dermatrends, Inc., a drug delivery/skin sciences company.

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Jeff Hoffman

Associate Director, Bioanalytical/Formulation Chemistry

Jeff Hoffman has more than 23 years of experience in the contract research and pharmaceutical industries. He joined MicroConstants in 2004, and currently serves as Associate Director for the Bioanalytical Chemistry and Formulation Analysis departments. In this role, he oversees the day-to-day operations of the Bioanalytical and Formulation departments and offers hands-on leadership in the areas of method validation and analytical sample analysis. Previously, Jeff was at Dermtech/Pracs Institute where his responsibilities included analytical method development, method validation, and supervision of the transdermal laboratory operations. Prior to that, he was an analytical chemist in the Toxicology Department at PoisonLab. Jeff received his bachelor’s degree in Biology and Zoology from Humboldt State University in Arcata, California.

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Gregory Reynolds

Manager, Bioanalytical Chemistry

Gregory Reynolds has more than 13 years of experience in the contract research and pharmaceuticals industries.  Gregory’s current role is to provide guidance and support as a Principal Investigator to a lab of scientist conducting regulated validation, sample analysis and method development.   Prior to joining MicroConstants in 2006, Gregory was at Invitrogen where his responsibilities included organic synthesis of transfection reagents, purification by multiple chromatographic techniques and QC/detection by protein expression.  Gregory received his bachelor’s degree in General Chemistry from University of California San Diego where his undergraduate research consisted of synthesis and crystallization of transition metal complexes.

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Daniel Dolan

Manager, Bioanalytical Chemistry

Joining MicroConstants in 2006, Dan Dolan has more than 13 years of experience in the contract research industry.  After starting as an Analytical Scientist performing routine method validation and bioanalysis, Dan quickly climbed the ranks of the bioanalytical department and in 2013, transferred to the DMPK department.  There he specialized in analytical method development, protein binding characterization of novel pharmaceutical entities, and as a supervisor he trained new scientists, reviewed raw data and wrote reports.  In March 2019, Dan made the switch to Manager of Bioanalytical Chemistry, where he currently oversees the day-to-day activities of scientific staff as well as serve as Principal Investigator for GLP studies and Validation Study Director.  Dan received his bachelor’s degree in Biology from The University of San Diego, with a minor in Chemistry.

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Jason Conerty

Supervisor, Formulation Chemistry

Jason Conerty joined MicroConstants in 2002 as an Analytical Scientist performing regulated bioanalysis.  In 2004, Jason moved to the Formulation department and began developing and validating methods for dose formulation analysis.  In 2012, he began performing Certificate of Analysis under GLP guidelines for reference standard certification.  Jason is currently Supervisor of Formulation Chemistry.  Jason received his bachelor’s degree in Chemistry from San Diego State University.

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Yazmin Alatorre

Supervisor, Bioanalytical Chemistry

Yazmin Alatorre has more than 5 years of experience in the contract research and pharmaceutical industries. She joined MicroConstants in 2014 and currently serves as a Principal Investigator for the Bioanalytical Chemistry department. Previously, Yazmin was MicroConstants’ Certified Scientific Trainer where her responsibilities included making sure new scientists had the skills and support they needed to be the best in the industry. Yazmin received her bachelor’s degree with a double major in Chemistry and Biological Science from the University of California, Irvine.

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Vanessa Dolores

Supervisor, Bioanalytical Chemistry

Vanessa Dolores joined MicroConstants in 2015 as Laboratory Intern. She became an Analytical Scientist I in 6 months and has moved her way up to a Supervisor in the Bioanalytical department. Prior to MicroConstants, Vanessa did her undergraduate research in an Analytical Chemistry lab completing Nicotine extractions at San Diego State University. Vanessa received her bachelor’s degree in Chemistry from San Diego State University.

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Michelle Mason

Associate Director, Project Operations

Michelle Mason joined MicroConstants in 2002 and that same year was promoted to Project Coordinator. Michelle is now the Associate Director of Project Operations and responsible for overseeing day-to-day project operations, implementing strategies to enhance client services, and identifying opportunities to improve efficiency throughout the company. Michelle also manages the Project Management and Sample Management departments. She earned her bachelor’s degree in Psychology from San Diego State University in California.

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Zenith Khan

Manager, Quality Assurance Compliance

Zenith Khan joined MicroConstants’ Quality Assurance department in 2008 as a QA Auditor and currently serves as the QA Compliance Manager.  Zenith manages the Quality Assurance and Document Control departments and oversees the day-to-day operations to ensure regulatory compliance, quality systems management and inspection readiness.  Prior to joining MicroConstants, Zenith worked as a Process Chemist Associate at Quidel Corporation, and before joining Quidel, she worked as a GMP Analytical Chemist at American Peptide Company.  Prior to moving to California, Zenith completed her bachelor thesis during an internship at Polypeptide Laboratories in Malmo, Sweden and received her Bachelor of Science degree in Chemical Engineering from Malmo University, Malmo, Sweden.

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Vielka Damond

Manager, Corporate Operations

Vielka Damond joined MicroConstants in 2008 as a Clinical Kit Coordinator. The following year, she transitioned into the Accounting department and became a Purchasing Agent. Vielka is now the Manager of Corporate Operations and responsible for overseeing day-to-day operations of the Clinical Kits, Purchasing, Housekeeping, and Facilities departments to improve efficiency throughout the company. Vielka earned her degree in Business Management and Accounting from Independence University in Salt Lake City, Utah.