Our Teams

Originally from the Finger Lakes Region of New York State, Dr. Rock has over 30 years of experience in student affairs having worked in undergraduate and graduate admissions and enrollment management and graduate student affairs. In his role as Associate Vice President & Chief Student Affairs Officer at TC, Dr. Rock is the Senior Student Affairs Officer for the College and oversees the administrative offices and staff members that support students on their pathways at Teachers College.  He is passionate about student success and helping students flourish at TC and beyond. 

Dr. Rock has worked in the field of undergraduate admissions and College Counseling at the University of Dayton, Alfred University and The Albany Academy (NY).  He has worked in graduate admissions at Columbia University (NY), Hofstra University (NY) and Teachers College, Columbia University (NY).  His student affairs work has been at Teachers College, Columbia University (NY). He also received a Certificate of Completion from the Harvard Graduate School of Education for participation in the Institute for Management and Leadership in Education (MLE).  Dr. Rock was awarded a Fulbright Scholarship in 2018 and traveled to Japan as part of the Fulbright Administrator Scholarship Program.  

In his spare time, Dr. Rock enjoys running (he's finished 15 NYC marathons),  tennis (he is a USTA certified tennis official), spending time with his family and traveling. 

Laura Coleman (she/her) is the Senior Associate Director of TC NEXT, the career and professional development center at Teachers College, Columbia University (New York, NY). In this role she leads a team whose scope of work encompasses employer relations, data and systems management, marketing and mass communications, and on-campus student employment. Laura spearheads relationships with a network of thousands of TC NEXT employer partners and develops opportunities for students and alumni to connect with hiring managers across a wide variety of industries. 

Previously Laura was the Associate Director of Alumni & Employer Relations at Sotheby’s Institute of Art (New York, NY) where she developed new alumni engagement initiatives, oversaw campus recruitment programs, and produced professional development events. Laura began her career in higher education at Valparaiso University (Valparaiso, IN), primarily serving in the role of Associate Director for International Admission, leading strategic planning for international undergraduate student enrollment and overseeing application review and scholarship awarding. 

Laura is an active member of several regional and national career services and student affairs professional organizations and has given talks and presented at conferences on career services curriculum development, a pathways model of success for graduate students, and career transitions within the higher education sector. She holds a Bachelor of Arts degree, magna cum laude, from Bucknell University and a Master of Arts degree in Anthropology & Education from Teachers College, Columbia University, where she undertook an independent research project focused on working adults’ decisions to pursue additional education. In addition to her professional endeavors she is a proud aunt, pet lover, gardener, and avid reader.

Alana Crosby has been working in Graduate Student Life and Development since 2018. Alana holds an M.A. in Higher Education & Student Affairs from New York University. Before starting at TC, Alana had full-time positions and internships in student affairs at various schools within NYU as well as the New Jersey Institute of Technology and Baruch College. Alana grew up in Reno, Nevada, and studied psychology at the University of Nevada, Las Vegas. 

Alana enjoys people-watching in Washington Square Park with her friends, reading fantasy novels, and eating the fluffiest croissants from the Hungarian Pastry Shop near TC's campus.

Primary areas of focus: 

• Belonging & Community Programming
• Identity-Based & Social Student Organizations

Originally from York, Pennsylvania, Whitney is a proud graduate of the Psychology in Education program at Teachers College, Columbia University. She currently serves as the Associate Director for Strategic Initiatives & Communication in Student Affairs Administration within the Division of Enrollment & Student Success. Since joining TC in 2017, she has held key roles, including Assistant Director and Manager of Operations for Graduate Student Life & Development (GSLD), where she played a pivotal role in enhancing student engagement and operational efficiency.

With a strong focus on digital engagement and technology, Whitney is dedicated to enriching the student experience from New Student Orientation through Commencement. Outside of her immediate professional role, she also serves on the Staff Advocacy & Support Council (SASC). Her leadership extends beyond TC, she actively contributes to the National Association of Student Personnel Administrators (NASPA) Region II Advisory Board. She is currently the 2026 Annual Regional Conference Co-Chair elect and the 2025 Registration Co-Chair, having previously served as Chief of Staff (2024) and Chair for Marketing & Communications (2023) for the Regional Conference Committee.

Beyond her professional endeavors, Whitney is deeply passionate about animal advocacy, rescue, and welfare. She volunteers as an operations member for Waggytail Rescue, a New York City-based small dog and cat rescue organization, dedicating much of her free time to coordinating rescue events and supporting adoption efforts. To unwind, she enjoys long walks, reading, and spending time outdoors in her neighborhood’s green spaces.

Karen is a dedicated administrative professional with a passion for optimizing administrative processes.  With 15+ years of experience, Karen has a strong focus on client services and collaborating with offices and departments across the College, to build community while fostering positive relationships.  

Selema (Lema) received her Masters of Education in Student Development & Administration from Seattle University and since graduating has worked in Housing and Residential Life for over 15 years in both the west and east coasts. In 2015, Lema joined Teachers College and served as the Associate Director in the Office of Residential Services (ORS), until October 2022 where she transitioned to the Division of Student Affairs as the Director of Student Support and Advocacy. Lema is committed to making the TC student experience a positive and successful one for all students.

Sabeen Sheikh is the Director of TC NEXT at Teacher College, Columbia University, working in student affairs, career services, and higher education for over 12 years. Sabeen has an Ed.D. in Educational Policy and Leadership,  a Master’s degree in Mental Health Counseling, and her Career Counseling Certificate with NCDA . Sabeen’s work spans career and student development in higher education, and addressing mental health issues in various communities. Her experience includes work in strength-based counseling, career coaching, social justice, domestic violence, undoing racism, and student leadership development.

Sabeen is a Lecturer in the Higher Education Administration Program for the School of Professional Development at Stony Brook University and has previously taught in Hofstra University’s College of Liberal Arts and Sciences. She served on the founding board of a grassroots nonprofit, Heal Collective NY, and is on the Mental Health Committee for American Muslim Health Professionals (AMHP). Sabeen is a Certified Mental Health First Aid Instructor with the National Council of Behavioral Health and AMHP.