Professional Summary
Overview
Work History
Education
Skills
Timeline

Darius N. Klepacki

OnScent/Intarome Inc.
Delray Beach,FL
31
years of professional experience

Accomplished Cosmetic Chemist with strong expertise in applied research and development. Skilled in olfactive and toxicology modifications, ensuring safe and effective formulations across home, body care, and fine fragrance sectors. Proven ability to foster collaboration with diverse teams and clients. Demonstrates advanced organoleptic evaluation skills and proficiency in color prediction and matching.

Work History

Bench Scientist, Application Lab

1 Year
OnScent/Intarome Inc. | 01.2025 - 01.2026
  • Scientist managed daily operations of a small, fast-paced application laboratory. Conducted organoleptic analyses of fragrances and materials, ensuring quality of raw materials, in-process materials, and finished products. Processed internal and external customer orders while ensuring lab area and supplies were well-maintained.
  • Conducted experiments to develop novel fragrance formulations, enhancing product line diversity.
  • Collaborated with cross-functional teams to optimize scent delivery systems for consumer products.
  • Analyzed sensory data to refine product development processes and improve formulation accuracy.

Scientist, Applied Air Care Technology Lab

13 Years
Firmenich Inc. | 01.2011 - 01.2024
  • End-to-End management of the development of non-candle air products to ensure proper technical performance, stability, safety and regulatory compliance. Consistent, conscientious and capable multitasker for short and long term projects serving internal and external customers.
  • Conducted testing and reformulation of air care products, including reeds, electrical plug ins, and car air fresheners, to enhance performance and stability.
  • Conducted comprehensive performance benchmarking of commercial and next generation liquid electricals
  • Introduced a series of pigments and dyes to ensure long term thermal stability in oils and finished products
  • Modified fragrances to improve freeze/thaw stability in candles and electric plug ins
  • Innovated wick design for candles, enabling instant fragrance release and optimizing fragrances for piezo electronics.
  • Trained in fragrance microencapsulation for laundry and personal care applications

Laboratory Assistant, Independent Fine Fragrance Laboratory of Christophe Laudamiel

2 Years
Aerosphere LLC | 01.2009 - 01.2011
  • Established independent fine fragrance laboratory operations in NYC for master perfumer, enabling innovative fragrance development
  • Managed raw material ordering, formula compounding and modification, and ensured supply chain and regulatory compliance for seamless workflow
  • Assisted in preparation and analysis of laboratory samples, ensuring compliance with safety protocols.
  • Operated laboratory equipment, maintaining calibration and functionality for accurate results.
  • Conducted routine maintenance on lab instruments, enhancing operational efficiency and reliability.

Fragrance Applications Laboratory Scientist, Technical Application Group, Fine Fragrance

11 Years
International Flavors & Fragrances | 01.1998 - 01.2009
  • Coordinated daily operations of aerosol-filling and soap laboratories producing shaving gels, skin care products, raw materials, and fine fragrances. Directed color-matching with internal and external client specifications. Administered ingredients and protocol testing. Managed data analysis and report preparation. Integrated new product applications and remedial technologies. Developed investigative studies and corrective protocols to resolve fragrance interaction issues with bases and packaging. Defined color standards and assessed plant pilot batches. Co-operated with technical laboratories and manufacturing plant to devise streamlined methods for fine fragrance production, including compounding, solution preparation, maceration, and filtering.
  • Selected Achievements
  • Developed cost-effective color and olfactive preservative systems, resulting in significant savings for clients and the company.
  • Enhanced launch stability by implementing improvements in manufacturing processes for filtration, storage, and maceration.
  • Tripled daily output totals for a $3 million soap project by streamlining small bar production procedures

Fine Fragrance Laboratory Perfumer's Assistant

3 Years
Florasynth / Haarmann & Reimer / Creations Aromatiques | 01.1995 - 01.1998

Education

Bachelor of Science - Biology, Minor in Chemistry

Seton Hall University | South Orange, NJ

Skills

Laboratory operations
Research methodologies
Safety protocols
Research methods
Fragrance formulation
Data analysis
Results evaluation
Experimental planning
Scientific applications

Timeline

Bench Scientist, Application Lab

OnScent/Intarome Inc.
01.2025 - 01.2026Read More

Scientist, Applied Air Care Technology Lab

Firmenich Inc.
01.2011 - 01.2024Read More

Laboratory Assistant, Independent Fine Fragrance Laboratory of Christophe Laudamiel

Aerosphere LLC
01.2009 - 01.2011Read More

Fragrance Applications Laboratory Scientist, Technical Application Group, Fine Fragrance

International Flavors & Fragrances
01.1998 - 01.2009Read More

Fine Fragrance Laboratory Perfumer's Assistant

Florasynth / Haarmann & Reimer / Creations Aromatiques
01.1995 - 01.1998Read More

Seton Hall University

Bachelor of Science from Biology, Minor in Chemistry
Read More
Darius N. Klepacki