Ratnadeep Paul Choudhury

A cosmetic sector professional for the past 17 years, I lead the Analytical Chemistry team for L’Oréal India in support of next generation products. As a research leader of high performing teams, I provide a combination of technical and managerial capabilities developed over a substantial career. These have been achieved through setting high performance expectations and deliveries, sustained critical scientific capabilities, achievements of business goals and effective mentorship. Expatriatship: 1 yr in Pudong (China) managing L’Oréal Analytical China team. 3 years in Paris managing L’Oréal Analytical team for Hair Métiers Stronghold in analyzing new products by chromatographic and allied techniques and interpreting the developmental Data. Extensive expertise in chemical analysis of Raw Materials (Defined and Complex Mixtures); Finished Products (In-house and Competition); Substrates (Hair and Skin), the interaction of products on these substrates and development of in-chemico assays for performance (skin sensitization and efficacy) Excellent communication and interpersonal skills with ability to lead and work collaboratively within a multi-disciplinary team. Excellent leadership and interpersonal skills and strategic influencing skills Demonstrated proficiency at managing projects and leading cross-functional multi-disciplined teams. Flexible and adaptable in dynamic and fast-paced environments Excellent written and oral communication skills – (English)

• Identification of New Phytoconstituents in the Methanolic Extract of the Bark Powder of Terminalia Arjuna: A Versatile Heart Tonic; Gajbhiye PT, Choudhury RP, Garg AN; J Hyper Risk Factors (2022) 1: 1-13
• Use of Multiple Irradiations and Reference Materials as Comparators in Quality Control of Neutron Activation Analysis Data of Biological Samples; A N Garg, Vivek Singh, R P Choudhury; Biol Trace Elem Res (2023),201, 2674-2681.
• Relationship between Scalp Histamine Levels and Dandruff within an Indian Population: A confirmation study using LC/MS/MS method; Sudhahar Vijayaraghavan, Sriram Krishna Vedula, Nasrine Bourokba, TraMy Ngo, Roland Jourdain, Joan Eilstein, Ratnadeep Paul Choudhury, Nita Roy; Exp Dermatol (2022) 31,814-818.
• Optimization of Nutrients and Process Parameters for Improved Production of Bioactive Metabolite Butyrolactone I by Aspergillus terreus strains under Submerged Fermentation; D.L. Rudresh, Ratnadeep Paul Choudhury and Anamika Nakul; Int.J. Curr.Microbiol. App.Sci (2019) 8, 614-624
• INAA of essential micronutrients in Terminalia arjuna bark powder: a versatile heart tonic; Amar Nath Garg, P. T. Gajbhiye, Ratnadeep Paul Choudhury, Journal of Radioanalytical and Nuclear Chemistry (2017) 314, 1-7
• Determination of minor, trace and toxic elements in chewing tobacco products by instrumental neutron activation analysis and identification of glutamic acid; A. N. Garg, R. Paul Choudhury, R. Acharya & A. V. R. Reddy; Journal of Radioanalytical and Nuclear Chemistry (2017) 314, 1-7
• Availability of essential trace elements in medicinal herbs used for diabetes mellitus and their possible correlations; R. P. Choudhury, R. Acharya, A. G. C. Nair, A. V. R. Reddy & A. N. Garg Journal of Radioanalytical and Nuclear Chemistry (2008) 276, 85–93
• Elemental Characterization of Trifala Powders and Tablets by Instrumental Neutron Activation Analysis, Thermal Analysis and Spectral Studies of Gallic Acid; R Paul Choudhury, A Kumar, A N Garg, J Herb Pharmacother. (2007) 7, 15-29.
• Variation in essential, trace and toxic elemental contents in Murraya koenigii – A spice and medicinal herb from different Indian states; R. Paul Choudhury, A.N. Garg, Food Chemistry (2007) 104, 1454-1463
• Thermal neutron activation analysis of essential and trace elements and organic constituents in Trikatu: An Ayurvedic formulation; R. Paul Choudhury, A. Kumar, A. V. R. Reddy & A. N. Garg, Journal of Radioanalytical and Nuclear Chemistry (2007) 274, 411–419
• Phosphorus in biological standards and samples by thermal neutron irradiation and β counting; A. N. Garg, A. Kumar & R. P. Choudhury; Journal of Radioanalytical and Nuclear Chemistry (2007) 271, 481–488
• Availability of Essential Elements in Nutrient Supplements Used as Antidiabetic Herbal Formulations; R Paul Choudhury, A V R Reddy, A N Garg; Biol Trace Elem Res. (2007) 120, 148-62.
• Elemental Characterization of Trifala Powders and Tablets by Instrumental Neutron Activation Analysis, Thermal Analysis and Spectral Studies of Gallic Acid; R Paul Choudhury, A Kumar, A N Garg; J Herb Pharmacother. (2007) 7, 15-29.
• Quantitative analysis of embelin in Myrsine africana L. (Myrsinaceae) using HPLC and HPTLC; Paul Choudhury, Ratnadeep, Bharathi, H. & Venkatasubramanian, Padma; E-J Food Plants Chem (2006) 2.
• Short irradiation instrumental neutron activation analysis of essential and trace elements in curry leaves (Murraya Koenigii) and their organic constituents by GC-MS; R. P. Choudhury, G. Jain & A. N. Garg; Journal of Radioanalytical and Nuclear Chemistry (2006) 270, 187–195
• Analysis of Indian mint (Mentha spicata) for essential, trace and toxic elements and its antioxidant behaviour; J Pharm Biomed Anal; R Paul Choudhury, A Kumar, A N Garg (2006) 41(3):825-32.

The information mentioned above is true to the best of my knowledge and, I am solely responsible, if any of the details stated above found false.

• Method Of Producing Fcv Tobacco With Improved Flavour, Application no. 318/KOL/2011 A
• Method for shaping keratin fibers by applying reducing agent and applying diacidic compound (P18); composition comprising diacidic compound + oxidizing agent (Zero Oxidation Styling), Application no. 201711046990
• Compounds derived from indolin-3-one, compositions thereof and use thereof for dyeing keratin fibers, Application no. 201941051757
• Two-step process for treating keratin fibres comprising the application of Indigofera tinctoria (Indigo) followed by Acacia Concinna (Shikakai) – Layering, Application no. 201911024977
• Novel reactivity probe (Dimethyl amino N-(2-(1-naphthyl)acetyl)-L-cysteine) and a method for fast high throughput detection of reactive molecules and categorizing potential skin sensitizers, Application no. 202341086958
• Green emulsifier - Alkaline agent and/or oxidative dye, non oxyalkylenated surfactant (COCO-GLUCOSIDE 71940, POLYGLYCERYL-4 CAPRATE 77931, GLYCERYL CAPRYLATE 79372, SUCROSE STEARATE 80063), fatty compound, ratio fatty compounds / non oxyalkylenated surfactant >= 3:1, Application no. 202321085964

• Current CTC: 68 lakhs per annum
• Date of Birth: 04/19/78
• Nationality: Indian