Mahmoud Ali El-Zeiny, Rasha2020-03-022020-03-022018American Society of Interior Designers (1999), Recruiting and Retaining Qualißed Employees by Design. White Paper. AminaHameed, ShehlaAmjad (2009). Impact of Ofßce Design on Employees ‘Productivity: a Case Study of Banking Organizations of Abbottabad, Pakistan(n.d.). Retrieved from http://www.scientificjournals.org/ journals2009/articles/1460.pdf Brill, M., Margulis, S., Konar E., BOSTI. (1984). Using Ofßce Design to Increase Productivity. Vol. 1, 1984: Vol. 2, 1984. Buffalo, N.Y.: Workplace Design and Productivity Buildings/IAQ, pp.495 500. GenslerDesign + Performance Index, theU.S.Workplace Survey. (2006). www.gensler.com Kathy F. Montgomery. (2004). Understanding the Relationship between the Design of the Workplace Environment and Wellness. Texas Tech University. McLaughlm, C. (2000). Sound Solutions. ASID ICON June. Milton, D.K., Glencross, P.M., Wafrers, M.D. (2000). Risk of Sick Leaves Associated with Outdoor Afr Supply Rate, Humidification,andOccupant Complaints. Informedesign www.informedesign.umn.edu. Accessed 01-07-04. Steelcase, Inc. (2002). Workplace Acoustics: Sound, Noise and Effective Work, www.navbus.com. Accessed 7- 29-04. Ulrich, R. Ph.D., (2003). The Impact of Flowers and Plants on Workplace Productivity. Texas A & M University. US Army Corps of Engineers, (USAGE). (1997). Design Guide for Interiors. Light and Color, Chapter 3, pg. 3.1-3.2. Uzee, J. (1999). The Inclusive Approach: Creating a Place where People want to Work. Facility Management JournaloftheInternationalFacility Management Association, 26-30. Mahmoud Ali El-Zeiny, R. / Asian Journal of Environment-Behaviour Studies (ajE-Bs), 3(7) Mar / Apr 2018 (p.109-118) 118 Wargocki,P.,Wyon,D.P.,Sundell,J.,Clausen,G.andFanger,P.O.(2000). The Effects of Outdoor afr Supply Rate in an Ofßce on Perceived are Quality, Sick Building Syndrome(SBS) Symptoms and Productivity. Informedesignwww.informedesign.umn.edu.Accessed 12-08-03.2514-751Xhttps://doi.org/https://doi.org/10.21834/aje-bs.v3i7.263https://t.ly/q29kEMSA Google ScholarIn today’s competitive business environment, corporations can no longer afford to waste the potential of their workforce. There are important factors in the employee’s workplace that influence significantly on their level of motivation and performance. The main objective of the study is to understand the relationship between the employees’ performance and their physical work environment. The private sector corporations of Egypt have been chosen as the population for the study. The results of the study show that office design has a substantial impact on the employees’ performance.enInterior Design; Workplace; PerformanceArticlehttps://doi.org/https://doi.org/10.21834/aje-bs.v3i7.263