Our Team

Mariam Sentews, Staffing Manager
Mariam is passionate about her studies in Philosophy and how it interconnects all aspects of awareness and human connection.  She has over 10 years of management and leadership experience, and truly thrives in environments where connecting with people is the foundation of her work.  As a staffing manager, Mariam is passionate about creating trust with each of her candidates and bringing them to a space they can prosper.  In her spare time, she loves anything creative and enjoying nature with her Doberman and close friends. 

Mike Bongay, Senior Recruiter
Mike is an avid athlete and has been coaching youth sports since he was 14 years old. As a Recruiter, Mike is excited to blend his research and interpersonal skills with his natural abilities to coach and build relationships.  Mike was a four-year professional volleyball player and continues to coach at the high school and club levels. In his free time, Mike enjoys cooking, traveling, live music and spending time with his two young children.

Tim Bataska, Business Development Manager
Tim is a CSU, East Bay graduate with a degree in Kinesiology. As a Business Development Manager, Tim introduces companies to Collegial Services, develops and maintains relationships with them, and assists them in acquiring and maintaining highly talented individuals. Outside of work, Tim coaches boys and girls basketball for prominent AAU programs. He also enjoys exercising, a good cup of coffee, and competing at anything he can.

Kristina Olson, Recruiting Associate
Kristina graduated with a degree in Systematic Biology and Ecology from California Polytechnic State University in San Luis Obispo, CA. Kristina lived in California most of her life, with the exception of eight years in Zambia and Australia. Kristina has spent the last two decades as a business owner, managing operations and working with early startups. As a Recruiter, Kristina is excited to help job seekers find the right next career and set them up for success. Recently, Kristina moved to Georgia where she is anxious to explore the East Coast and find amazing views with her dog, Sebastian

Kjerstin Karlsson, Recruiter
KJ is a California native who graduated from Arizona State University with a Bachelor of Science in Family and Human Development and currently resides in Phoenix, AZ. KJ’s experience as a recruiter fell into her lap and she could not imagine herself doing anything else. What excites KJ the most about recruiting is the long-lasting relationships she builds and her ability to expand her network on a national level. Outside of work, KJ enjoys live music, visiting a new restaurant or enjoying a weekend getaway with family and friends.

DJ Busch, Recruiter
DJ graduated from the University of California, Berkeley with a degree in English. DJ’s background includes working in sales and marketing, real estate and accounting. As a recruiter, DJ is excited to build relationships with candidates and help them find jobs that they love. He is a former hockey player and loves sports. In his free time, DJ likes spending time with his fiancé, two dogs and friends.

Samantha Tkel, Client Services Associate
Samantha graduated from the University of California, Santa Cruz with a Bachelor of Science in Politics. Shortly after graduating, Samantha worked at an aerospace company where she specialized in supply chain and nurturing existing company relations. Taking the best aspects of her previous role, she is excited to build relationships with our advising and staffing clients. Outside of work, you can find her with her close friends contemplating their next traveling expedition or creative venture.  

Najet Carrick, Manager, Staffing Services
Najet graduated from UC Davis with a Bachelor of Science Degree in Biological Sciences. Her professional experience includes project management in the telecommunications and banking industries. Najet joined Collegial Services in 2012; she is currently a Manager for Staffing Services and is a LinkedIn Certified Professional Recruiter and a Certified Professional Resume Writer.  Najet is married with three children and enjoys spending time with her family.

MadelineMadeline Kirbach-Liddicoat, Consultant 
Madeline is a business leader and strategist with expertise in launching and managing new initiatives. With a B.A. from Stanford and a MBA from Harvard, she is no stranger to the value of leveraging a great education for a successful career launch. Starting as an intern at Microsoft, Madeline built a marketing career within organizations like Saatchi & Saatchi and Microsoft and later ran her own firm before collaborating with Collegial Services in 2010.

JacksonJackson, Canine Ambassador
What can we say about the furriest member of the Collegial Services team? Jackson is a dog who primarily loves to follow our Founder, Robin, from room to room. When he is not performing his entourage duties, he keeps the carpet under the desk warm and occasionally greets those visiting our office. If he could talk, he would tell everyone about the importance of a flawless resume and learning to network.