--- title: "Office of the Dean" url: "/academics/business/about/office-of-the-dean" type: page date: 2026-04-05 updated: 2026-06-09 --- # Office of the Dean O'Malley School of Business # Office of the Dean **Guiding the vision, programs, and people of the O'Malley School of Business.** The Office of the Dean leads the O'Malley School of Business in fulfilling its mission to prepare ethical, forward-thinking leaders for a rapidly evolving global economy. Working alongside faculty, staff, students, and alumni, the office shapes the school's academic direction, oversees its AACSB-accredited programs, and champions the Lasallian Catholic values that distinguish a Manhattan University business education. Image ![Headshot of Dr. Dean Hany Guirguis](/sites/default/files/styles/4_3_327w/public/media/2026-05/hany-1200x1200.jpg?h=57024e64&itok=FmDJr2X5) Image ![Entrance to the O'Malley School of Business at Manhattan University](/sites/default/files/styles/square_400/public/media/2026-02/business-omalley-3200x2000-2025.jpg?h=1cb48fc4&itok=cr2NprHy) Leadership ## A Vision for the O'Malley School of Business **Meet Hany Guirguis, P.h.D., Dean of the O'Malley School of Business.** Dean Hany Guirguis brings more than two decades of experience at Manhattan University to his role leading the O'Malley School of Business. Under his leadership, the school is expanding its graduate offerings, integrating artificial intelligence and machine learning across the curriculum, and forging interdisciplinary partnerships with the School of Engineering and the Kakos School of Arts and Sciences. Read his message to the Manhattan University community and learn more about the future of business education at the O'Malley School. [ Read Message from the Dean ](/academics/business/about/message-dean) Image ![Entrance to the O'Malley School of Business at Manhattan University](/sites/default/files/styles/4_3_327w/public/media/2026-02/business-omalley-3200x2000-2025.jpg?h=1cb48fc4&itok=cghbVIlX) Image ![Manhattan University professor teaching business analytics in a classroom](/sites/default/files/styles/4_3_327w/public/media/2026-03/business-classroom-3200x2000.jpg?h=1cb48fc4&itok=3SS1vzQl) Faculty Excellence ## Scholars, Mentors, and Industry Leaders **Learn from faculty who bring real-world expertise into every classroom.** Faculty in the O'Malley School of Business combine rigorous scholarship with deep professional experience, mentoring students through coursework, research, internships, and career development. Across disciplines including accounting, finance, marketing, management, and analytics, faculty prepare students to think critically, lead ethically, and adapt to the demands of a competitive marketplace. Explore the faculty members shaping the future of business education at Manhattan University. [ Meet O'Malley School of Business Faculty ](/academics/business/about/faculty) Image ![Manhattan University professor teaching business analytics in a classroom](/sites/default/files/styles/4_3_327w/public/media/2026-03/business-classroom-3200x2000.jpg?h=1cb48fc4&itok=3SS1vzQl) ## Office of the Dean | O'Malley School of Business - ![Image of Dr. Hany S. Guirguis](/sites/default/files/styles/square_800/public/media/2026-03/hany-2025-2000x2000.jpg?h=b044a8f9&itok=QkKUoIwi&focal_point_preview_value=50x50) ### [Hany S. Guirguis](/directory/hany.guirguis) **Title:** Dean, O'Malley School of Business **Phone:** 718-862-7440 **Email:** - ![Photo of Grishma Shah](/sites/default/files/styles/square_800/public/media/2026-06/grishma-shah-directory.jpg?h=b044a8f9&itok=QkKUoIwi&focal_point_preview_value=50x50) ### [Grishma Shah](/directory/grishma.shah) **Title:** Associate Dean of the School of Business, Professor, Management & Marketing, Director of Global Business Studies **Phone:** 718-862-7127 **Email:** - ![Headshot of Aileen Farrelly](/sites/default/files/media/2026-05/Aileen-Farrelly.jpg) ### [Aileen Farrelly](/directory/aileen.farrelly) **Title:** Assistant Dean and Visiting Instructor, Accounting, CIS & Law **Phone:** 718-862-7223 **Email:** - ![Headshot placeholder for Rhonda Shuler](/sites/default/files/styles/square_1200/public/profile-pictures/570074.webp) ### [Rhonda Shuler](/directory/rhonda.shuler) **Title:** Senior Academic Advisor **Phone:** 718-862-7439 **Email:** - ![Headshot of Marc Waldman](/sites/default/files/media/2026-05/marc-waldman.jpeg) ### [Marc Waldman](/directory/marc.waldman) **Title:** Associate Professor, Accounting, CIS, and Law **Phone:** 718-862-3856 **Email:** - ![Headshot of Mary Allgaier](/sites/default/files/media/2026-05/marylou.jpg) ### [Mary Allgaier](/directory/mary.allgaier) **Title:** Office Manager **Phone:** 718-862-7141 **Email:** **Office:** DLS 201 - ![Headshot placeholder for Geraldine Taylor](/sites/default/files/styles/square_1200/public/profile-pictures/570074.webp) ### [Geraldine Taylor](/directory/geraldine.taylor) **Title:** Administrative Assistant **Phone:** 718-862-7334 **Email:** Image ![Aerial photo of Manhattan University](/sites/default/files/styles/4_3_327w/public/media/2026-03/drone-2025-3200x2400.jpg?h=9b8bd6ff&itok=xYR2ar43) ## Prepare for the Real World At Manhattan University, your education is built around who you are and where you want to go. Whether you’re ready to apply or just starting to explore, take the next step when you’re ready — we’re here to help. [Apply Today](/admissions/apply) [Visit Manhattan University](/admissions/visit) [Request Information](/admissions/undergraduate/request-information) Image ![Aerial photo of Manhattan University](/sites/default/files/styles/4_3_327w/public/media/2026-03/drone-2025-3200x2400.jpg?h=9b8bd6ff&itok=xYR2ar43)