GMP Auditing &
Consulting LLC
Est. 2026

Before the FDA and regulators
find it,
we will.

Why clients call us at 11 PM

"I am terrified we are going to fail our next inspection because my team is too stretched to see our own blind spots — I just need someone who has actually been in the trenches for twenty years to come in and tell me exactly what's broken before the FDA does."

VP of Quality, Mid-Cap Pharma Manufacturer · PA/NJ Life Sciences Corridor

"We are short of auditing resources to meet our supplier, contractor, and our own facilities audit schedule goals. I need an experienced auditor who has done it all to help us meet our auditing goals."

VP of Quality & Compliance, Small Biotech Manufacturer · North Carolina Research Triangle

"We are a small company in need of an experienced mentor to help me remediate some of the GMP areas in my facility, conduct targeted assessments, collaborate with my team, and draft realistic and effective remediation plans around our constraints."

VP of Quality, Small Pre-IND Manufacturer · San Diego

Forty-fiveYears GMP Experience
7ASQ Certifications
0Closed CAPAs Cited in Warning Letters
CBACQACQE CPGPCHACMQOE CSSGBISO 17025
The Zero Warning Letter Guarantee
Before the regulatory agencies find it, we will.

I come to your facility before the regulatory agencies do and find the gaps your team is too stretched to see — or step in after a regulatory inspection in need of remediation — and I build a prioritized remediation roadmap with you.

Implement the roadmap fully — and if the regulator issues a Warning Letter or similar notice on a deficiency I identified within the scope of my audit, assessment, or consultation, after a fully documented remediation implementation, I refund your engagement fee.
Subject to the terms of the engagement letter.

Why Roberto, Not a Big Firm

The difference between passing your regulatory inspection
and a 150-page SOP that no one follows

Sarah has already tried the alternatives. Here is what that experience actually looks like — and what working with us looks like instead.

✗   The Big Four & Generic Consultancies
You speak to a partner; a 26-year-old associate shows up. They may have never personally closed a 483 observation, remediated a sterility suite, or stood across a table from an FDA investigator.
The deliverable is a 150-page generic SOP template your exhausted staff cannot implement on top of their existing production responsibilities.
Rubber-stamped processes. Less experienced contractors tell you what you want to hear. Your blind spots stay blind. You find out what's broken when the FDA investigator finds it first.
Exorbitant fees with zero accountability. They charge $250,000, leave, and offer no guarantee on outcome. You own all the risk.
One-size-fits-all scopes. No understanding of your product type, supplier geography, or regulatory history. The audit feels generic because it is.
✓   GMP Auditing & Consulting LLC
Roberto is the person who shows up with 45-years of GMP experience. Pfizer Senior Audit Manager. Wyeth Global Compliance. 7 ASQ certifications. He has personally performed supplier, contractor, and facility audits, PAIs, directed audits, and Warning Letter Remediations across five global regulatory regions.
Surgical, actionable findings — not generic templates. A prioritized written report, a concrete remediation roadmap, and CAPA plans your team can actually implement without disrupting production.
Zero comfort-zone auditing. Roberto finds the threads that will unravel under regulatory scrutiny and tells you about it — even when it's uncomfortable. That's the job.
Priced below the Big Four. Backed by a money-back guarantee. Senior expertise at a fraction of large-firm rates — with skin in the game. If the remediation fails an inspection, you pay nothing.
Bilingual, global, cross-product. Pharma, biologics, gene therapy, medical devices, consumer healthcare, dietary supplements, and veterinary products — domestic and international supply chains.
What We Do

End-to-end GMP compliance —
from first audit to closed CAPA

Every engagement is scoped to your situation. No generic packages. Roberto personally leads every engagement from day one to final verification.

01
GMP Auditing & Compliance Assessments

Initial, routine, directed (for-cause), and Pre-Approval Inspection (PAI) audits for suppliers, contractors, and manufacturing facilities. Full written assessment, prioritized findings, and regulatory mapping to FDA 21 CFR 210/211, 820, EMA, Health Canada, and regional BOH standards. Roberto as Lead Auditor — not a project manager.

02
Supplier Qualification & Ongoing Surveillance

Full vendor approval programs: technical requirements, qualification audits, performance evaluation, and ongoing surveillance across domestic and international supply chains. Five global regions. Especially strong in complex biologics and CMO qualification across Latin America, Europe, and Asia.

03
Quality Systems Development & Auditor Training

Design and implementation of internal audit programs, audit guides, conformance assessment checklists, change control systems, and QTS frameworks. Auditor training development and deployment. Built these systems at Pfizer and Wyeth for global programs covering hundreds of suppliers.

04
Warning Letter & Consent Decree Remediation

Crisis-level remediation leadership for FDA Warning Letters and Consent Decrees, and comparable enforcement actions from international regulators. On-site management across aseptic operations, data integrity, pharmaceutical operations, and biologics manufacturing. Full CAPA implementation, verification, and regulatory submission support. 100% CAPA closure rate across all engagements.

05
Pre-Approval Inspection (PAI) Readiness

Comprehensive PAI readiness for pharmaceutical, biologic, and medical device products. Mock FDA inspection, gap identification, remediation roadmap, and pre-inspection walkthrough. You will not be surprised by what the investigator finds — because Roberto found it first.

06
IND CMC Regulatory Submissions

Preparation and defense of IND CMC sections, regulatory filing strategy, and direct FDA interaction support. Roberto has personally prepared and submitted three IND applications and interacted directly with the FDA in Washington D.C. — practical knowledge no textbook can replicate.

About Roberto L. Rivera

Forty-five years.
Every CAPA closed.

GMP Auditing & Consulting LLC was founded on a singular mission: to support the development and manufacture of safe and effective medical products for the treatment and prevention of human and animal diseases.

Roberto spent 24 years at Pfizer and Wyeth as Senior Audit Manager II, leading the Manufacturing and Supplier Quality Assessments Group across biotech, pharmaceutical, nutritional, medical device, consumer healthcare, and veterinary product suppliers on five continents. Before that, he served as Director of Operations at Allergenics Inc., where he invented a novel oral vaccine formulation that produced an unexpected anti-cancer immune response — tested at the National Cancer Institute, with patents issued.

His career spans every major regulated product category and every major pharmaceutical regulatory body. He has personally performed Initial, Routine, Directed, and PAI audits. He has prepared and defended IND CMC applications directly with the FDA in Washington D.C. He has led remediation programs for aseptic operations, pharmaceutical facilities, biologics, biotechnology products, and data integrity failures.

The number that matters most: zero closed CAPAs in Warning Letters. Every corrective and preventive action Roberto has ever touched has held up under subsequent regulatory inspection — never reopened, never cited in a Warning Letter. That is the track record behind the Zero Warning Letter Guarantee.

Roberto holds a B.S. in Biology (Magna Cum Laude) and an MBA in General Management (Magna Cum Laude), and seven ASQ certifications including the rare CMQOE (Certified Manager of Quality and Organizational Excellence). Bilingual in English and Spanish, available for engagements across the Americas, Europe, India, China, Australia, and New Zealand.

Roberto L. Rivera
ASQ CBA · CHA · CMQOE · CPGP · CQA · CQE · CSSGB
B.S. Biology & MBA Management · Magna Cum Laude
ASQ Certifications
CBACertified Biomedical Auditor
CQACertified Quality Auditor
CQECertified Quality Engineer
CPGPCertified Pharmaceutical GMP Professional
CHACertified HACCP Auditor
CMQOECertified Manager of Quality & Org. Excellence
CSSGBCertified Six Sigma Green Belt
Accreditation
ISOACLASS ISO 17025 Lead Assessor
Contact Information
Malvern, PA · Global engagements
Technical Competencies

The depth behind every audit

Four decades of hands-on experience across every major pharmaceutical and biotechnology GMP discipline.

Quality Assurance & Auditing
Regulatory Compliance
Vaccines & Immunology
IND CMC Submissions
Technology Transfer
Fermentation Technology
Product Development
Supplier Qualification
Contract Manufacturing
Global cGMP Auditing
Sterile Pharmaceuticals
Aseptic Processing
Class I, II, III Devices
Gene Therapy
Biologics & Biotech
Dietary Supplements
Diagnostic Reagents
Data Integrity
Sterilization Validation
Process Validation
Microbiology & Rapid Methods
Analytical Chemistry
Statistical Process Control
CAPA Systems
Professional History

A career built at the
world's most regulated facilities

Over four decades of progressive leadership at the most recognized names in global pharma — the judgment no textbook can replicate.

2026 to PresentGMP Auditing & Consulting LLC — Malvern, PA
Founder & Principal Consultant

I partner with pharmaceutical, biologics, medical device, consumer healthcare and contract development and manufacturing organizations to close compliance gaps, reduce regulatory risk, and build quality systems that hold up under inspection — not just on paper, but in practice. My goal is straightforward: equip your team with clear, actionable solutions so you can focus on delivering safe, effective products to market with confidence.

Core Areas of Focus
  • Pre-approval inspection (PAI) readiness
  • Remediation of Regulatory Notices of Deficiencies (e.g., FDA Warning Letter and Form 483s)
  • Supplier and contract manufacturer audits and qualification
  • CAPA program development and effectiveness review
  • Global GMP compliance assessments and consultations
2009 – 2026Pfizer, Inc. — Collegeville, PA
Senior Audit Manager II / Consumer Healthcare Quality Partner

Member of the Manufacturing and Supplier Quality Assessments Group. Led cGMP compliance assessments of domestic and international biotech, pharmaceutical, nutritional, medical device, consumer healthcare, and veterinary product suppliers across five global regions. Lead Auditor for Initial, Routine, Directed, PAI, and Facility audits.

2002 – 2009Wyeth Pharmaceuticals — Collegeville, PA
Senior Audit Manager II / Consumer Healthcare Business Partner

Member of Wyeth Global Compliance Auditing Group. Division representative to Consumer Healthcare Quality Councils. Developed audit plans, guides, conformance assessment checklists, and auditor training programs covering a global supplier network across US, Canada, Europe, Asia, and Latin America.

1993 – 1998Allergenics, Inc. — Cincinnati, OH
Director of Operations

Translated a university research project into a functional GMP corporate manufacturing operation. Invented a novel oral vaccine formulation producing an unexpected anti-cancer immune response — tested at the National Cancer Institute, patents issued. Prepared and defended three IND applications directly with the FDA in Washington D.C.

1988 – 1993Procter & Gamble — Cincinnati, OH & San Juan, PR
Products Research Group Leader / Group Manager QA & Technical Services

Coordinated enzyme technology transfer between Cincinnati, Latin America, Asia/Japan, and Europe R&D centers. Managed contract manufacturing QA operations in Puerto Rico and the Caribbean. Supported new product line introductions following the Noxell acquisition.

1985 – 1988Combe Products, Inc. — Humacao, PR
Quality Assurance Manager

Full QA responsibility: product testing, process validations, vendor audits, statistical process control, specification approval, label control, and equipment qualifications for liquids, creams, and ointments manufacturing.

1981 – 1985Baxter — Maricao, PR
Quality Assurance Superintendent / Microbiology Laboratory Supervisor

Oversaw chemistry, microbiology, pyrogen, particle testing, calibrations, and sterilizer qualification labs for large volume parenterals and medical devices. Microbiological troubleshooting of aseptic filling operations and critical plant systems.

1976 – 1981Eli Lilly Industries / Coulter Biochemical — Puerto Rico
Fermentation Specialist / QA Chemist / Technical Services Supervisor

Established the Biochemical Operations Fermentation Laboratory for Tobramycin antibiotic manufacturing plant start-up. Designed yield optimization experiments achieving a 30% increase in product yield. QA chemistry and technical services for enzyme-based diagnostic reagents.

Industries Served

If it's regulated,
we've audited it

Cross-sector expertise means Roberto doesn't just know your regulations — he understands how they interact with your operational reality.

Pharmaceuticals & Biopharmaceuticals
Sterile, solid dosage, topicals, liquids
21 CFR 210/211 · ICH Q7–Q10 · EU GMP · FDA Aseptic Guidance · EU Annex 1
Biologics, Vaccines & Gene Therapy
Immunologics, viral vectors, ATMPs
21 CFR 600–680 · 21 CFR 1271 · ICH Q5
Medical Devices
Class I, II, and III devices
21 CFR 820 (QSR) · ISO 13485 · ISO 14971 · EU MDR
Nutritional Products & Dietary Supplements
Dietary supplements & functional foods
21 CFR 111 · 21 CFR 117 · ISO 22000 HACCP
Consumer Healthcare & OTC Products
Pfizer Consumer Healthcare · Wyeth pedigree
21 CFR 210/211 · 21 CFR 330 (OTC Monograph)
Diagnostic Reagents & IVDs
Enzyme-based & immunoassay reagents
21 CFR 809 · 21 CFR 820 · ISO 13485/17025
Cosmetics & Personal Care
Skin care, color & personal care
MoCRA · 21 CFR 700 · ISO 22716
Animal Health & Veterinary Products
Veterinary drugs & biologics
21 CFR 211/226 · 9 CFR · USDA APHIS
Contract Manufacturing Organizations
CMO/CDMO qualification & oversight
21 CFR 210/211 · ICH Q7 · ICH Q10
Investment

Transparent pricing.
No surprises.

Every fee below sits under Big Four market rate — and carries a money-back guarantee the Big Four will never offer. Travel and reasonable expenses are billed at cost outside the Philadelphia metro area.

Supplier & Contractor Audits
$2,250–$4,000 / day
1–3 day engagements
  • On-site Lead Auditor — Roberto personally
  • Customized audit checklist & agenda
  • Real-time observations & daily debrief
  • Written findings report with regulatory mapping
  • CAPA plan review & approval
  • Return verification audit available
Scope this audit
Full Remediation + CAPA Verification
$13,500 / week
Up to 6 months · $135K–$180K fixed fee available
  • On-site remediation leadership
  • Aseptic, data integrity, biologics, pharma operations
  • Weekly regulatory progress reports
  • Full CAPA implementation & verification
  • Pre-inspection mock audit included
  • Global: Americas, Europe, Asia-Pacific
  • Zero Warning Letter Guarantee applies
Discuss remediation
Additional Services
Mock FDA Inspection
$250 / hour
1–2 day on-site
CAPA Implementation Review
$250 / hour
Per engagement
Crisis Remediation (Active Warning Letter / Consent Decree)
$18K–$20K
Per week

A single FDA Warning Letter costs a mid-cap manufacturer $5M–$50M in remediation, lost revenue, shutdowns, and legal fees — before reputational damage. A Consent Decree can exceed $100M. A full remediation engagement at $180,000 is less than one day of production revenue at most mid-size facilities — with a money-back guarantee attached to it.

Client Payments
Pay an invoice, retainer, or engagement deposit

Every engagement runs against a signed engagement letter and a numbered invoice. Payment is by ACH bank transfer or wire — the two methods your treasury team already uses for vendor payments. Purchase orders, W-9, certificate of insurance, and Net 30 terms are all supported for enterprise vendor onboarding.

ACH Bank Transfer Domestic & International Wire Purchase Orders · Net 30 Terms
Get In Touch

Your next inspection
doesn't have to be a surprise.

"I just need someone who has actually been in the trenches for twenty years to tell me exactly what's broken before the FDA does."

If that sounds familiar, you're exactly who we work with. Most engagements are scoped and started within two weeks. Roberto responds personally within one business day.

Location
Malvern, PA
Languages & Reach
English & Spanish · Americas, Europe, Asia-Pacific
Professional Affiliations
  • ASQ — American Society for Quality
  • PDA — Parenteral Drug Association
  • ISPE — International Society for Pharmaceutical Engineering

Request a Consultation
Roberto responds personally within one business day.

Your inquiry is confidential. Roberto replies personally within one business day. A mutual NDA can be executed before any detail is shared.