Mark hails from north of Chicago, but currently works as a Production Engineer for a multinational energy company in Texas. In 2023, he graduated from Purdue University with a Mechanical Engineering degree, having also conducted research for NASA and completed two engineering-related internships during his studies. Mark has been supporting Wagner Prep since 2022, focusing on high school and college level math and science, as well as standardized test preparation.

Mark Kosmerl
Math and Science Instructor

Shatiek Gatlin is currently an MBA Candidate at Columbia Business School. A first-generation college graduate and son of Jamaica, Queens, Shatiek loves sharing his knowledge about business, particularly accounting and finance. He enjoys unlocking a new level of understanding in students, to ensure that they are equipped with the necessary skills and information to be successful - in business or other disciplines. He graduated from Babson College in Massachusetts, and worked in corporate finance for 7 years before pursuing his MBA.

Shatiek J. Gatlin
Business Courses Instructor

Christos is an aerospace engineer and flight instructor with a passion for aviation. After completing his education at Purdue and obtaining his masters in aeronautical and astronautical engineering, he is now an engineer at Garmin. He teaches and mentors students in math, physics, and computer science through the college level. His goal is to empower students by growing their skills through his interactive teaching style.

Christos Levy
Math and Science Instructor

Alex teaches in the writing program at Rutgers University, where he received his PhD in English Literature in 2017 (he also holds an MA in English from Rutgers and a BA from Rice University). His dissertation, on the connections between experimental science and the early British novel, was awarded the prestigious Dan David Prize in Literature by an international committee chaired by novelist Jamaica Kincaid. After graduate school, Alex taught at Ashoka University, an innovative liberal arts school near New Delhi, India. Outside the classroom, Alex has been a private tutor for over a decade, working with students across a range of subjects, with an emphasis on critical reading and writing skills. He has extensive experience helping students with standardized test preparation, including the SSAT, ISEE, ACT, and SAT.

Alex Solomon
English Language and Literature Instructor