The document is a letter of recommendation for Ivan Sotelo from Natasha Raikhel, a professor at the University of California, Riverside. The letter states that Ivan has worked in Raikhel's lab since 2013 conducting various lab tasks including isolating DNA, preparing PCRs, cloning genes, and analyzing plant tissues. It notes that Ivan has learned sterile lab techniques and molecular biology skills, and presents his findings well. The letter concludes by saying Ivan is dedicated, asks good questions, and is a great team player and asset to the lab.