Daniel Yokoshima Email & Phone Number

United States

United States

Hercules, California

PCR Process Development (LSG)

South San Francisco, CA

• Responsible for coordinating and/or performing all in house manufacturing activities, including formulations, filling, capping, labeling and final assembly
• Practice GMP protocol in an ISO 13485 regulated medical device facility
• Reviews Batch records from contract manufactures for accuracy, correctness of calculations and completeness
• Ensures the preparation and completion of internal manufacturing documents
• Works directly with members of the Development team to assist in the transfer of new products to manufacturing
• Participates in CAPA subsystem teams to support quality system process

United States

• Perform raw material, in-process component and final QC testing: Nucleic Acid-based Rapid Test, SDS-PAGE, Isotyping, ELISAs, Western Blot, etc.
• Practice GMP/GLP protocol in an ISO 13485 regulated medical device facility
• Revision/authoring of Standard Operating Procedures
• Test stability of current inventory and past lots of various products
• Work between Sunnyvale, CA (US) and Cambridge, England (UK) sites for QC and trouble shooting testing

Santa Clara, CA / Athens, OH

• Reagent Chemist I and II responsibilities
• Lead responsibilities of organizing schedules, overseeing production and final documentation review
• Voluntarily supported operational transfer of procedures and set up of new manufacturing facility in Athens, OH

Santa Clara, CA

• Reagent Chemist I responsibilities
• Trained new employees on all aspects of laboratory procedure, production and documentation
• Reviewed documents and products for final release
• Coordinated and performed tasks for development/validation various ELISA assays, PCR assays and equipment
• Assisted R&D in the development of protocols leading to the launch of Quidel's lateral flow C. difficile molecular assay

Santa Clara, CA

• Reagent Chemistry Processes: Buffer preparation, plate coating, antibody/conjugate titration, standards and controls formulation, lyophilization, final kit qualification
• Performed and analyzed data from testing of various ELISA and PCR Assays
• Practiced GMP protocol in an QSR and ISO 13485 regulated medical device facility
• Used effective communication and flexibility to work effectively with other departments: QC, Packaging, R&D, etc.
• Tested stability of current inventory and past lots of various products
• Trouble shooting and product improvement of kits and components

Campbell, CA

• Downstream purification of various bacterial toxins and proteins with the use of column chromatography, HPLC and various other procedures
• Performed cell extraction to produce purified lipopolysaccharide (LPS)
• Cultivation/Fermentation of bacteria
• Responsible for filling, lyophilizaton, crimping and labeling of final products.
• Researched and developed processes to improve protein purification techniques
• Practiced GLP and GMP protocol

Bs, Geology

Activities and Societies: Geology Club: Secretary San Jose, CA 2004-2005 - Scheduling seminar speakers, advertising/marketing, and.

Bachelor'S Degree, Geology/Earth Science, General