The letter recommends Vibhu Sharma for job opportunities. It states that Mr. Sharma conducted productive research as a PhD intern for three years under the supervision of the author. His work supported multiple DOE and industrial projects related to nano-colloidal lubricants and engineered surfaces. He impressed managers and sponsors with attention to detail, creativity, and personal contributions beyond running experiments. The author strongly believes Mr. Sharma is well-prepared and qualified for opportunities he is seeking.