Our Team


Dr. Sadanand D. Joshi, President

Sada JoshiDr. Joshi founded JTI in 1988 after a successful nine year tenure at Phillips Petroleum Company in Bartlesville, Oklahoma. Drawing on his expertise in the field of horizontal well technology, he has guided the company to its current position, as both an international consulting and E&P company. In addition to his role as the CEO of the company, Dr. Joshi's primary responsibilities include international project origination/negotiation and strategic planning.

After earning his Bachelor's and Master's degrees in Mechanical Engineering in his native country, India, Dr. Joshi obtained his PhD in Mechanical Engineering from Iowa State University in 1978. He is well known in the Oil & Gas industry for his technical papers and best-selling book on the subject, Horizontal Well Technology, which was published by PennWell in 1991. By virtue of his extensive scholarship in this area, he has gained numerous accolades, including being designated as a Distinguished Lecturer by the Society of Petroleum Engineers for the 1995-1996 season. At the beginning of 2000, Dr. Joshi was honored by the "Oil & Gas Investor" and was listed along with many well known names as one of the 100 Most Influential People of the Petroleum Century.

In March 2003, Dr. Joshi was named as a distinguished Alumnus by his alma mater, IIT Bombay, India.

In 2012, Dr. Joshi was awarded 2012 Anson Marston Medal by the College of Engineering of Iowa State University. This award represents the highest award given by the College of Engineering of Iowa State University.

Dr. Joshi has consulted on over 180 active projects all over the world, and has taught the Horizontal Well Technology course in the United States and internationally. He is a member of the Society of Petroleum Engineers, the American Association of Petroleum Geologists, The American Society of Mechanical Engineers (ASME) and the Tulsa Chamber of Commerce.

Claudette Joshi, Legal Counsel

Claudette Joshi has held the positions of Secretary/Treasurer and Legal Counsel of JTI for the last 20 years. She holds degrees in Spanish, French, and Public Administration specializing in Foreign Service. She obtained her J.D. degree from the University of Tulsa in 1987, and has specialized in Oil and Gas corporate law since that time. She is a member of the Oklahoma Bar Association.

Manuel Corrales, Senior Project Manager

Manuel Corrales has over 30 years of experience in field production activities. He has a Bachelor's Degree in Petroleum Engineering & a graduate degree in Environmental Science from Colombia and is currently heading our field operations in the Dholka & Wavel field, India. Prior to joining Union Temporal, Manuel gained extensive field experience, during his tenure as District Superintendent with Texaco in Colombia. He also has 15 years of "Heavy Oil" field operations experience.

Victor R. Lahti, Consulting Geologist

Victor Lahti has over 35 years of experience as a geologist. Prior to his work at JTI, he was a senior geologist with Questar Exploration and Production Company; and a consulting geologist with HS Resources and Samson Resources Company; all located in Tulsa, Oklahoma. Vic also worked in Houston, Texas as an independent geologist for HNG/Internorth Exploration Company and Mitchell Energy Corporation; and a senior geologist for Texaco Inc. His experience encompasses geological expertise in both development and exploration projects in a wide range of geologic basins which includes geological work in Colombia, India, Oklahoma, Texas, Mississippi, Louisiana, New Mexico, and offshore Gulf of Mexico. Mr. Lahti holds B.S. and M.S. Degrees in Geology from the University of Northern Illinois. Professional memberships: American Association of Petroleum Geologists, Houston Geological Society, and the Tulsa Geological Society.

P.K. Kulkarni, Managing Director - India Projects

P. K. Kulkarni is Project Director with JTI, Inc. India Projects. Prior to this he was Director of ONGC’s Institute of reservoir Studies in Ahmedabad. Previous work experience of 48 years includes 34 years of various senior executive posts in Geo-science, Oil and Gas production and Reservoir engineering in on-land and off-shore areas of ONGC. He also has 14 years in board and advisory positions in private Oil and Gas field operators, both domestic and international. Oil and gas industry experience includes integrated project management and integrated production optimization; development of oil/gas fields and especially small, isolated, oil pools / marginal fields; estimation of hard to evaluate reservoirs; authentication of geological model used for reservoir simulation studies and reserves certification; strategic planning for activities in Reservoir Life Cycle by problem prevention as against problem solving; use of Reservoir Geo-physics in exploration and exploitation to maximize hydrocarbon recoveries; selection of suitable and cost-effective EOR processes, pilot test and its evaluation and single well treatment. He holds a Post Graduate degree in Geology from Osmania University, Hyderabad, India. Changed over to Development Geology and finally to Reservoir engineering after intensive training in the former Soviet Union, Johnson Schlumberger, Sugarland, USA. Closely associated with academic institutes in India such as ISM and Dhanbad; MIT, Pune. Professional memberships: SPE Twenty-Five Year Club, Society of Petroleum Geo-physicist and Life member of ASCI, Hyderabad, India.

P.J. Mehta, Senior Advisor

Mr. Mehta has been associated with JTI since 1999, and is in charge of strategic growth development plans in India. Prior to his retirement from Larsen & Toubro India, he was a corporate vice-president in India. Mr. Mehta has 36 years of experience in India and Africa, in the energy sector. He also has extensive experience in corporate planning and strategy development. He holds a graduate degree in Mechanical Engineering from the University of Pune, India.

S.S. Sharma, Executive Director (Operations) - India Projects

Shyam Sunder Sharma has been with Joshi Technologies International, Inc. - India Projects since January 2007. Prior to this he worked as Senior Executive (DGM-Production) for Oil and Natural Gas Corporation India. He has more than 42 years of engineering and management experience including drilling, completion, production and stimulation in the petroleum industry. Mr. Sharma has spent about 20 years in well stimulation technology such as hydraulic fracturing, acidization, coil tubing, sand control and liquid nitrogen services and its application in the field.

Mr. Sharma has working knowledge of exploration and development geology and has been instrumental in management and technical supervisory roles. Mr. Sharma has been guiding the company's India operations by emphasizing efficiency and economics. He has attended various trainings, seminars, workshops and conferences in India and abroad. Mr. Sharma holds a B.S. in Mechanical Engineering from Gujarat University in India.

Ray Pierson, Reservoir Simulation Specialist

Ray Pierson has over 33 years of experience in reservoir simulation. Prior to his work with JTI, he was a key developer of reservoir simulation software used by Phillips Petroleum Company and ConocoPhillips Company. His responsibilities also included maintenance, liaison, documentation, and training for reservoir simulation software and its use. In 1999, Mr. Pierson and his fellow team members were awarded the Phillips Technology Achievement Award for leading-edge, in-house reservoir simulation technology and application to Phillips' oil and gas fields worldwide. He graduated from Southwestern Oklahoma State University with a B.S. in Mathematics.

Clayton Evans, Petroleum Engineer

Clayton Evans has over 27 years of experience in reservoir simulation. Prior to his work with JTI, he developed and supported reservoir engineering software used by Phillips Petroleum Company and ConocoPhillips. His responsibilities also included maintenance, liaison, documentation, and training for reservoir engineering software and its use. In 1999, Mr. Evans and his fellow team members were awarded the Phillips Technology Achievement Award for leading-edge, in-house reservoir simulation technology and application to Phillips' oil and gas fields worldwide. Mr. Evans has the following degrees: B.S. in Physics, University of Rhode Island; M.S. in Physics, University of Missouri-Rolla; M.S. in Petroleum Engineering, University of Tulsa.