Geo Kappen

Strategic and multidisciplinary leader with a strong foundation in healthcare operations, business management, higher education, scientific research, and clinical practice. Recognized for building collaborative partnerships across diverse teams through effective communication, mutual respect, and a shared commitment to excellence. Possesses a growth mindset and an enduring passion for learning, consistently seeking new perspectives, innovative solutions, and opportunities for professional and organizational advancement. Dedicated to fostering teamwork, developing talent, and empowering others through mentorship, collaboration, and servant leadership while aligning individual strengths with organizational objectives. Known for adaptability, critical thinking, integrity, and an unwavering commitment to continuous improvement, meaningful collaboration, and delivering sustainable results that positively impact people, organizations, and the communities they serve.

• Registered Professional Nurse- Multi-State Registered Nurse Lic. Number: RN9531448
• Basic Life Support (BLS).
• NIHSS stroke certification.
• Advanced Cardiovascular Life Support (ACLS)

• Rajan, G. and Gopchandran, K. (2009). Enhanced luminescence from spontaneously ordered Gd2O3:Eu3+ based nanostructures. Applied Surface Science, 255(22), pp.9112-9123.
• Rajan, G. and Gopchandran, K. (2009). Engineering of luminescence from Gd 2O3:Eu3+ nanophosphors by pulsed laser deposition. Optical Materials, 32(1), pp.121-132.
• Rajan, G. and Gopchandran, K. (2009). Background gas driven photoemission from laser ablated Li+doped Gd2O3:Eu3+ thin films. Journal of Optoelectronics and Advanced Materials, 11(5), p.591.
• Rajan, G. and Gopchandran, K. (2011). Effect of substrates on the photoemission properties of Li-doped Gd 2O3:Eu3+ nanocrystalline films. Optical Materials, 33, pp.494-500.
• Rajan, G., Vinodkumar, R., Mahadevan Pillai, V. and Gopchandran, K. (2009). Effects of the Eu3+ concentration on the structural, optical and morphological properties of cubic Gd2O3:Eu3+ nanostructured thin films. IOP Conf. Ser.: Mater. Sci. Eng., 2(01), p.2029.
• Sasi, B., Sankar, S.,Rajan, G., Bahna, A. and Gopchandran, K. (2008). Growth of nanoislands in thin nickel oxide films. Journal of Optoelectronics and Advanced Materials, 10(10), pp.2637-2639.
• Krishnan, R., Vinodkumar, R., Rajan, G., Gopchandran, K. and Mahadevan Pillai, V. (2010). Structural, optical, and morphological properties of laser ablated ZnO doped Ta2O5 films. Materials Science and Engineering: B, 174(1-3), pp.150-158.
• Beena, D., Vinodkumar, R., Navas, I., Rajan, G. and Mahadevan Pillai, V. (2010). Efficient photoluminescence from pulsed laser ablated nanostructured indium oxide films. Materials Science and Engineering: B, 174(1-3), pp.59-65.
• Ghosh, K., Pande, A., Rajan, G. and Pande, J. (2011). Substrate Binding to Alpha Crystalline Chaperone Prevents Metal Ion Binding. In: ARVO 2011 Visionary Genomics. Florida, U.S. A: Investigative Ophthalmology & Visual Science, p.4744.
• Rajan, G. and Gopchandran, K. (2007). Enhancement in photoluminescence from annealed Gd2O3:Eu3+ thin films. In: XVth International Materials Research Congress. Cancun, Mexico: Materials Research Society.
• Rajan, G., Vinodkumar, R., Mahadevan Pillai, V. and Gopchandran, K. (2009). Concentration quenching effect on the photoluminescence of Gd2O3:Eu3+ nano-structured thin films by pulsed laser deposition. In: International Seminar on Science and Technology of Glass Materials. Guntur, Andhra Pradesh, India: ISSTGM.
• Rajan, G.and Gopchandran, K. (2009). Luminescent Nanomaterials. In: First International Conference on Nanostructured Materials and Nanocomposites. Kottayam, Kerala, India: ICNM 2009.
• Vinodkumar, R., Navas, I., Rajan, G., Beena, D., Gopchandran, K., Nayar, V., Ganesan, V. and Mahadevan Pillai, V. (2009). Highly conductive and transparent laser ablated nanostructured Al: ZnO thin films. In: XVIII International Materials Research Congress. Cancún, Mexico: Materials Research Society.
• Krishnan, R., Vinodkumar, R., Rajan, G., Gopchandran, K. and Mahadevan Pillai, V. (2009). Structural and Optical Properties of Laser Ablated ZnO Doped Ta2O5 Films for Future Metal Oxide Semiconductor Devices. In: XVIII International Materials Research Congress. Cancún, Mexico: Materials Research Society.
• Vinodkumar, R., Beena, D., Rajan, G., Jayasree, R. and Mahadevan Pillai, V. (2007). Structural and Optical Properties of GdO doped ZnO Thin Films by Pulsed Laser Deposition Technique. In: DAE-BRNS Fourth National Symposium on pulsed Laser Deposition of Thin Films and Nanostructured Materials. Gujarat, India: PLD 2007.
• Rajan, G. and Gopchandran, K. (2009). Eu-O bond length driven luminescence in Li-doped Gd2O3:Eu3+ nanocrystalline thin films. In: National Seminar on Photonic Materials. Thiruvananthapuram, Kerala, India: (NSPM-2009).

• American Association for the Advancement of Science
• American Cancer Society
• Member American Nano Society
• Associate Member Institute of Physics - Member (MInstP)
• American Association of Critical Care Nurses(AACN) -Member

Geo Rajan

• Exemplary Practice Award : recognition of excellent patient, family, and team service (2025).
• Excellence Award Nominee -Orlando Health St. Cloud Hospital (2025).
• Excellence Award Nominee -Orlando Health St. Cloud Hospital (2024).
• DAISY Award Nominee -Orlando Health St. Cloud Hospital (2023).

Geo Rajan