FDA Investigator

Melissa J Holz

Latest inspection on record: Ripon, United States, October 2025 · records back to 2009

Foods & CosmeticsBiologicsMedical Devices & Rad Health

FDA inspection record · Last updated July 12, 2026

Overview

  • 118 inspections across 100 sites are on record.
  • 281 Form 483 observations are attributed to this investigator.
  • Most recent recorded activity is 2025-10-06.

At a glance

Inspections

118

Sites

100

Observations

281

Career since

Jan 2009

Recent inspections

Most recent inspections in the published record.

SiteDateCategoryForm 483
Signature Wafers, LLC6 Oct 2025Foods & CosmeticsView 483 →
Legacy Bakehouse LLC11 Sep 2025Foods & Cosmetics
Knaus Cheese, Inc.9 Sep 2025Foods & Cosmetics
BRENNTAG GREAT LAKES, LLC.8 Sep 2025Foods & Cosmetics
Conveyco, Inc.21 Aug 2025Foods & Cosmetics

Sites inspected

Signature Wafers, LLCRipon, United States1 insp.
Legacy Bakehouse LLCWaukesha, United States1 insp.
Knaus Cheese, Inc.Rosendale, United States1 insp.
BRENNTAG GREAT LAKES, LLC.Milwaukee, United States1 insp.
Conveyco, Inc.Burnsville, United States1 insp.

Co-investigators

Investigators who share inspections with this person.

Full investigator report

Get the verbatim findings behind Melissa J Holz's 281 observations

Source 483 PDFs, verbatim observations, and how each site responded, so your team knows what they cite before they arrive.

  • New inspections and Form 483s, mapped to the CFR citation
  • Warning letter outcomes, and the citation patterns they repeat
  • Their co-investigators, so no surprises about who shows up on site