Tammana Veera Venkata Ramakrishna
Dhahran,04
Summary
A seasoned professional with extensive leadership experience in chemical manufacturing, fluorine chemistry, and lithium battery electrolyte synthesis. Successfully led technology transfers, scaled up pilot plants, and implemented advanced fluorinated compound production processes across India and the United States. Inventor of multiple patents in lithium salts and battery materials. Recognized for establishing innovative R&D strategies, managing large cross-functional teams, and contributing significantly to the electric vehicle and energy storage sectors through industrial chemistry.
Experienced with scientific research and analysis. Utilizes advanced laboratory techniques and data interpretation skills. Knowledge of project management and collaborative teamwork.
Results-driven scientist. Proven track record in conducting comprehensive scientific research and delivering impactful findings. Recognized for strong teamwork and adaptability, with skills in data analysis and experimental design.
Overview
25
25
years of professional experience
Work History
Research Science Specialist
Saudi Aramco
09.2008 - Current
- Spearheaded a wide spectrum of research projects involving oil and gas portfolios, such as oil upgradation, gas separations, hydrocarbon research for utilizing low-value oil streams, and technical services.
- Instrumental in developing a single solvent methodology for the measurement of salt content in crude oil in severe Middle Eastern conditions. (Commercialized)
- Successfully led the project “synthesis and development of new generations of membrane materials” for their use in natural gas separations.
- Developed zeolite-based hierarchical dual functional catalysts and were instrumental in scaling up to commercial scale, for monetizing low-value heavy reformate.
- Designed and established university collaborations with world-class institutions in key areas to increase the company’s intellectual property footprint.
- Enhanced the internal infrastructure of the R&D centre to accelerate in-house research activities.
- Played a key role in establishing a satellite R&D centre to leverage human and intellectual resources.
- Developed metal ion-induced ionic liquids and organic sulfur selective liquid systems for fuel oil upgradation, achieving 40% desulfurization in the process cycle.
- Developed disulfide-based sulfur soluble solvents that are less corrosive than existing solutions.
Research Manager, Lithium Division
FMC Lithium
02.2008 - 08.2008
- Responsible for all R&D operations and customers’ technical services requirements.
- Developed sustainable and scalable solutions to serve immediate company needs.
- Developed a low-vapor-pressure solvent system which increased storage concentration of N-Butyl lithium and t-Butyl lithium from 2.5 molar to 3.5 moles/liter, reducing solvent loading and improving safety.
- Established a synthetic process for lithium-mediated dimerization of 2,3-dibromomethiophene in 99.9% purity and scaled up to kilo quantities.
- Organized workshops at customer sites to demonstrate safe practices in lithium chemistry.
- Trained young scientists in lithium chemistry and methods for safe handling of air- and moisture-sensitive organometallics during bulk transformations.
Research Scientist, India Technology Center, Chemistry & Catalysis Division
General Electric Company
06.2005 - 02.2008
- Designed and synthesized novel polycarbonate-based adhesion promoters compatible with siloxane-lexan interface and established testing protocol.
- Synthesized imidazole-based silane corrosion inhibitors and supported the formulation team in making paint blends for automotive testing.
- Developed low-volatile alkoxy propyl silanes via organometallic intermediates for hydrophobic, odor-free, environmentally friendly paints.
Senior Scientist – Synthetic Organic Chemistry Group
Indus Bio Sciences
06.2004 - 06.2005
- Led a team of six scientists while directly coordinating with client companies under FTE agreements.
- Designed reaction schemes, synthesized at bench scale, and scaled up to kilo scale under client secrecy agreements.
- Synthesized eight different chiral tethers with 99.5% enantiomeric purity at a 2 Kg scale and delivered within eight months.
Postdoctoral Associate – Metal-Mediated Organic Synthesis
University of Missouri-Columbia
05.2001 - 04.2004
- Synthesized highly active covalently bonded zirconium (benzocyclobutadiene) complexes and achieved C–C coupling reactions yielding fused ring metal complexes.
- Conducted transmetallation and reductive elimination on zirconium complexes, producing substituted naphthalenes, isoquinolines, and benzazocine.
- Realized C–C coupling on the edge of triphenylene through an organo-nickel intermediate.
- Synthesized a platinum edge complex of triphenylene and studied its catalytic utility in autocatalytic cycloadditions.
Education
Postdoctoral Associate - Metal-Mediated Organic Synthesis
University of Missouri-Columbia
Missouri, USA04.2004
Ph.D. - Organometallic Chemistry
Indian Institute of Technology (IIT)
Kanpur, India04.2001
M.Sc. - Chemical Sciences
Central University
Pondicherry, India01.1995
B.Sc. - Chemistry, Mathematics, Physics
Osmania University
Hyderabad, India01.1993
Skills
- Pilot Plant Scale-up & Technology Transfer
- Process Development & Hazardous Chemistry
- Intellectual Property & Patent Filings
- Regulatory Compliance & Safety Protocols
- International Team Management
- New Product Development
- Technical Advisory & Strategic R&D
- Project Management & Vendor Liaison
Timeline
Research Science Specialist
Saudi Aramco
09.2008 - Current
Research Manager, Lithium Division
FMC Lithium
02.2008 - 08.2008
Research Scientist, India Technology Center, Chemistry & Catalysis Division
General Electric Company
06.2005 - 02.2008
Senior Scientist – Synthetic Organic Chemistry Group
Indus Bio Sciences
06.2004 - 06.2005
Postdoctoral Associate – Metal-Mediated Organic Synthesis
University of Missouri-Columbia
05.2001 - 04.2004
Ph.D. - Organometallic Chemistry
Indian Institute of Technology (IIT)
M.Sc. - Chemical Sciences
Central University
B.Sc. - Chemistry, Mathematics, Physics
Osmania University
Postdoctoral Associate - Metal-Mediated Organic Synthesis
University of Missouri-Columbia
PEER-REVIEWED PUBLICATIONS
- Yahaya, G. O.; Hamad, F.; Bahamdan, A.; Ramakrishna, T. V. V.; Hamad, E. Z., Fuel Processing Technology, 113, 2013, 123–129.
- Begum, R. A.; Chanda, N.; Ramakrishna, T. V. V.; Sharp, P. R., J. Am. Chem. Soc. (Communication), 2005, 127(39), 13494-13495.
- Ramakrishna, T.V.V.; Sharp, P. R., Organometallics, 2004, 23(13), 3079-3081.
- Ramakrishna, T.V.V.; Sharp, P. R., Org. Lett., 2003, 5(6), 877-879.
- Ramakrishna, T.V.V.; Lushnikova, S.; Sharp, P. R., Organometallics, 2002, 21(26), 5685-5687.
- Ramakrishna, T.V.V.; Elias, A. J., Phosphorus, Sulfur and Silicon and the Related Elements, 2002, 177(11), 2513-2521.
- Ramakrishna, T.V.V.; Elias, A.J., Journal of Organometallic Chemistry, 2001, 637-639, 382-389.
- Ramakrishna, T.V.V.; Elias, A.J., Journal of Organometallic Chemistry, 2000, 602(1-2), 125-132.
- Ramakrishna, T.V.V.; Elias, A. J., Inorganic Chemistry, 1999, 38(13), 3022-3026.
- Elias, A. J.; Reddy, N. D.; Ramakrishna, T. V. V., Proceedings - Indian Academy of Sciences, Chemical Sciences, 1999, 111(3), 453-459.
- Ramakrishna, T.V.V.; Elias, A.J., Phosphorus, Sulfur and Silicon and the Related Elements, 1997, 130, 211-216.
- Ali, S. A.; Qureshi, Z.; Tammana, V. V. R. K.; Jishi, A. N.; Mohammad, T. A., React. Chem. Eng., 2023, DOI:10.1039/D3RE00624G.
- Carbon-Carbon Bond Formation and Fission in the Dimerization of a Nickelacycle, 38th Regional Midwest ACS, University of Missouri-Columbia, USA, Nov 2003.
- Organometallic Chemistry Directed Towards the Synthesis and Derivatization of Polycyclic Aromatics, IUPAC Symposium, Toronto, Canada, July 2003.
- Cp2Zr(η2-benzocyclobutadiene)(PMe3): A Rare η2-Butadiene Complex, 224th International ACS Meeting, Boston, USA, Aug 2002.
- Synthesis and Reactions of Ferrocene-Derived Hydroxymethyl Phosphine, Symposium on Modern Trends in Inorganic Chemistry, IISc Bangalore, India, Jan 2000.
- Novel Reactions of Cyclocarbaphosohatriazenes and Cyclocarbathiatriazenes, Symposium on Modern Trends in Inorganic Chemistry, IIT Kanpur, Dec 1997.
- A Novel Approach to Amino Substitution Reactions of Cyclocarbaphosphazenes, Symposium on Main Group Chemistry, IIT Delhi, Apr 1997.
- Regiospecificity in Substitution Reactions of Cyclocarbaphosphazene and Carbathiazenes, Symposium on Frontiers in Inorganic Chemistry, IISc Bangalore, Jul 1998.
- Removal of Sulfur Compounds from Diesel/Crude Oil Using Extractive Membrane Contactor, North American Membrane Society Annual Meeting, Louisiana, USA, Jun 2012.
GRANTED PATENTS
- US 12098121 B2 (2024): Methods for Producing Xylenes with Limited Ethylbenzene Production.
- US 12065401 B1 (2024): Integrated Processes and Systems for Producing Para-xylenes.
- US 11896963 B1 (2024): Mesoporous ZSM-5 for Steam Enhanced Catalytic Cracking of Crude Oil.
- US 11857955 B1 (2024): Processes of Producing Catalysts.
- US 11820948 B1 (2023): Impregnated Hierarchical Mesoporous ZSM-5 Zeolite Catalysts for Steam Enhanced Catalytic Cracking of Crude Oil to Petrochemicals.
- US 11759766 B1 (2023): Reducing Sulfur Emissions of Sulfur Recovery Plant by a Sorption-Based SO2 Selective Crosslinked Polyionic Liquid System.
- US 11097262 B2 (2021): Composite Hierarchical Zeolite Catalyst for Heavy Reformate Conversion to Xylenes.
- US 10981160 B1 (2021): Composite Hierarchical Zeolite Catalyst for Heavy Reformate Conversion to Xylenes.
- US 10927059 B2 (2021): Catalyst for Converting Heavy Reformate to Produce BTX Compounds.
- US 10843983 B2 (2020): Methods and Systems for Producing Para-xylene from C8-containing Compositions.
- US 11111912 B2 (2021): Methods and Systems for Producing Para-xylene from C8-containing Compositions.
- US 11453624 B2 (2022): Methods and Systems for Producing Para-xylene from C8-containing Compositions.
- US 10751709 B1 (2020): Methods for Producing Mesoporous Zeolite Multifunctional Catalysts for Upgrading Pyrolysis Oil.
- US 10835894 B1 (2020): Methods for Producing Mesoporous Zeolite Multifunctional Catalysts for Upgrading Pyrolysis Oil.
- US 10953396 B2 (2021): Methods for Producing Mesoporous Zeolite Multifunctional Catalysts for Upgrading Pyrolysis Oil.
- US 11123725 B2 (2021): Methods for Producing Mesoporous Zeolite Multifunctional Catalysts for Upgrading Pyrolysis Oil.
- US 10293301 B2 (2019): Modified Siloxane Composite Membranes for Heavy Hydrocarbon Recovery.
- US 9902677 B2 (2018): Liquid Phase Oxidation of Aromatic Feedstocks with Manganate Recycling to Produce Carboxylic Acids.
- US 9593015 B2 (2017): Sulfur Recovery Process for Treating Low to Medium Mole Percent Hydrogen Sulfide Gas Feeds with BTEX in a Claus Unit.
- US 9981848 B2 (2018): Sulfur Recovery Process for Treating Low to Medium Mole Percent Hydrogen Sulfide Gas Feeds with BTEX in a Claus Unit.
- US 9448221 B2 (2016): Method, Solvent Formulation and Apparatus for the Measurement of the Salt Content in Petroleum Fluids.