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Ritesh Patel Email & Phone Number

Validation Scientist at Eisai US
Location: Lansdale, Pennsylvania, United States 5 work roles 2 schools
1 work email found @eisai.com 4 phones found area 215, 267, and 610 LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 4 phones

Work email r****@eisai.com
Direct phone (215) ***-****
LinkedIn Profile matched
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Current company
Role
Validation Scientist
Location
Lansdale, Pennsylvania, United States
Company size

Who is Ritesh Patel? Overview

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Quick answer

Ritesh Patel is listed as Validation Scientist at Eisai US, a with 2831 employees, based in Lansdale, Pennsylvania, United States. AeroLeads shows a work email signal at eisai.com, phone signal with area code 215, 267, 610, and a matched LinkedIn profile for Ritesh Patel.

Ritesh Patel previously worked as Associate Scientist II at Johnson & Johnson and Associate Scientist at Johnson & Johnson. Ritesh Patel holds Master’S Degree, Microbiology from S. P. University, Gujarat, India.

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Email format at Eisai US

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{first}_{last}@eisai.com
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Profile bio

About Ritesh Patel

Scientist/Engineer with over 12 years of biotechnology experience in validation, media/buffer with microbial, mammalian and stem cell processing while working under cGMP's. Proficient at perfusion and fed batch processes using aseptic techniques. Proven success writing, reviewing and executing validation protocols, batch records and SOP's. Strengths include tech transfer, team leadership, new technology implementation, process excellence and trouble shooting. Heavily involved in new technologies specifically single use technology that makes processing much more efficient. Skilled to carry out activities with SAP, SRM, LIMS, Sharepoint and Trackwise applications.

Listed skills include Biopharmaceuticals, Gmp, Monoclonal Antibodies, Biotechnology, and 9 others.

Current workplace

Ritesh Patel's current company

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Eisai US
Eisai Us
Validation Scientist
woodcliff lake, new jersey, united states
Website
Employees
2831
AeroLeads page
5 roles

Ritesh Patel work experience

A career timeline built from the work history available for this profile.

Validation Scientist

Current

Exton, Pa

• Writing/executing IQ/OQ/PQ protocols for all sanitary process equipment’s, systems, clean utilities, GMP warehouse and CTU’s.• Extensive hands-on experience for developing new cleaning validation program for manual (COP) and automated cleaning (CIP), Autoclave Sterilization Cycle Design for liquid/dry goods load, and temperature mapping of Controlled Temperature Units.• Expert in writing and executing validation protocols (URS/DQ/FS/FAT/SAT/IQ/OQ/PQ) and managing Validation Project Lifecycle.• Support the commissioning, startup, and routine operation of support equipment in a cGMP Pilot Plant to start new cGMP Pilot Plant• As a lead in group, collaborate with various vendors for equipment orders to setup support operations media and buffer labs, weighing and dispensing lab and autoclave and washer areas.• Authored SOP, Batch Records, Protocol, validation document to start process in newly built cGMP Pilot Plant• Executed validation process for cGMP equipment (Autoclave, Washer, down flow weigh booth and Single Use Mixer) in support operations area. • Aided the transfer of new technologies/processes, operation and troubleshooting of equipment, preparation and close-out of documentation and ensuring compliance to relevant regulations. • Leading a team, trained newly hired employees and contractors in various support operations processes.• Cooperated with the vendor to develop design for various media/buffer and single use mixer bag and custom tube sets for the single use mixing technology to manufacture media and buffer.• Perform weighing and dispensing, raw material sampling and prepared media/buffer solution utilizing disposable mixing technology to support upstream and downstream and tech transfer processes.

Jan 2011 - Present

Associate Scientist Ii

Spring House, Pa

• Provided valuable input and assisted in the development of design, implementation and validation of new technology such as disposable 750L Single Use Mixers.• Skilled with disposable mixing technology using Single Use Mixers (750L Single Use Mixer manufactured by HyNetics). • Knowledgeable in using SAP version 4.7 (R3 ECC) , GUI version 7.1 • Lead and coordinated activities for the preparation, use, assemble, disassemble, SIP and CIP of 2000L, 1000L and 500L of media and buffer formulation tanks and other equipment. • Authored, revised, review and approved Batch Records, SOP's, investigation reports, change controls and deviations. • Introduced new laboratory instruments into cGMP areas, create change controls and implementation plans related to instruments.• Aided in technology transfer to other departments and sites. (Development through Phase III).• Excellent trainer, able to make complicated tasks simple.• Generate Processing Schedule to plan preparation of materials and operations of cGMP and non-GMP materials to support processing schedule.• Monitoring and sampling of bioreactors using CEDEX, NOVA, and BGA.

Dec 2005 - Dec 2010

Associate Scientist

Spring House, Pa

• Environmental Monitoring of Manufacturing suites using RCS Plus Air Sampler, SMA Air Sampler, Met-One Particulate counter, Water, Clean Steam, Compressed Air.• Performed bioburden testing by membrane filtration and pour plate technique for various water samples and other intermediate process samples.• Assisted with the validation and implementation of equipment.

May 2005 - Nov 2005

Pharmacy Technician

Bensalem, Pa

• Maintained eligibility records related to patient health plan. • Corrected wrong or unreadable prescriptions.• Maintained patients profile and insurance claim forms.

Aug 2003 - Apr 2005

Microbiologist (Vaccine)

Gujarat, India

• Managed group of FTE’s working primarily in production of vaccine and equipment preparation processes.• Equipment cleaning validation and qualification of cleaning for R&D projects and routine production.• Initiated, investigated, conducted root cause analysis of quality issues and ensured prompt closure of various nonconformance reports for shift. • Reviewed manufacturing procedures and equipment use records prior to submission at the end of each shift. • Developed and revised SOP’s and Batch Records for manufacturing use.

Oct 1999 - Jan 2003
Team & coworkers

Colleagues at Eisai US

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2 education records

Ritesh Patel education

Master’S Degree, Microbiology

S. P. University, Gujarat, India

Bachelor’S Degree, Microbiology

Gujarat University, Gujarat, India
FAQ

Frequently asked questions about Ritesh Patel

Quick answers generated from the profile data available on this page.

What company does Ritesh Patel work for?

Ritesh Patel works for Eisai US.

What is Ritesh Patel's role at Eisai US?

Ritesh Patel is listed as Validation Scientist at Eisai US.

What is Ritesh Patel's email address?

AeroLeads has found 1 work email signal at @eisai.com for Ritesh Patel at Eisai US.

What is Ritesh Patel's phone number?

AeroLeads has found 4 phone signal(s) with area code 215, 267, 610 for Ritesh Patel at Eisai US.

Where is Ritesh Patel based?

Ritesh Patel is based in Lansdale, Pennsylvania, United States while working with Eisai US.

What companies has Ritesh Patel worked for?

Ritesh Patel has worked for Eisai Us, Johnson & Johnson, Express Scripts, and Zydus Group.

Who are Ritesh Patel's colleagues at Eisai US?

Ritesh Patel's colleagues at Eisai US include Shady Abdalla, Michael Harris, David Kazan, Marilou Ganzon, and Lara Luque Serrano.

How can I contact Ritesh Patel?

You can use AeroLeads to view verified contact signals for Ritesh Patel at Eisai US, including work email, phone, and LinkedIn data when available.

What schools did Ritesh Patel attend?

Ritesh Patel holds Master’S Degree, Microbiology from S. P. University, Gujarat, India.

What skills is Ritesh Patel known for?

Ritesh Patel is listed with skills including Biopharmaceuticals, Gmp, Monoclonal Antibodies, Biotechnology, Glp, Validation, 21 Cfr Part 11, and Sop.

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