I am very happy to introduce myself Siva Krishna Muchakayala working as a principal scientist at Douglas Pharma US Inc, Warminster, Pennsylvania, USA-18974. I have 15 years of experience and subject matter expert in developing analytical methods using chromatographic techniques such as UPLC, HPLC and GC. Good at identification of unknown peaks by using mass spectrometry and also coupled with GC and LC. Plenty of experience in Quality by Design and Design of Experiments based analytical methods development. I have been published my articles in reputed journals Analytical methods (Royal Society of Chemistry), Journal of the Iranian chemical society (Springer), Journal of Chromatography A (Elsevier) Journal of Separation Science and Biomedical Chromatography (Wiley) and few more articles are under review by Nature Scientific Reports, Journal of AOAC international and Journal of Hazardous Materials.