曾在深圳、北京多家IT公司从事软件开发和项目管理工作，2011年起至今就职于江西师范大学计算机信息工程学院，指导本科生参加江西省大学生计算机作品大赛和江西省大学生服务外包创新创业大赛均获得一等奖，同时获“优秀指导老师”称号。本人电子邮箱为guanghezhang@163.com,目前为全日制硕士研究生讲授《物联网应用技术》和《数据仓库》课程，代表性研究成果如下：
1、期刊论文：
G. H. Zhang, C. C. Y. Poon, and Y. T. Zhang, "Analysis of Using Interpulse Intervals to Generate
128-bit Biometric Random Binary Sequences for Securing Wireless Body Sensor Networks ", IEEE Transactions on Information Technology in Biomedicine, vol.16, no.1, pp. 176-182, 2012. (SCI, IF=1.707)
G．H．Zhang, C. C. Y. Poon, and Y. T. Zhang, "A Review on Body Area Networks Security for
Healthcare", ISRN Communications and Networking, vol. 2011, pp. 1-8, 2011. (Inspec，doi:10.5402/2011/692592）
2、会议论文：
G. H. Zhang, Y. X. Zhang and Y. T. Zhang. "A Comparison of Binary Number Generators for Wireless Body Sensor Network Security", IEEE-EMBS International Conference on Biomedical and Health Informatics (BHI2012), 5-7 Jan. 2012, pp. 782-784,
G. H. Zhang, C. C. Y. Poon, and Y. T. Zhang. "A Fast Key Generation Method Based on Dynamic Biometrics to Secure Wireless Body Sensor Networks for p-health." in Proc. 2010 Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC2010), Aug. 31 2010-Sept. 4 2010, pp. 2034-2036, Buenos Aires, 2010.（EI, Accession number: 870)
3、专利
张光河，刘芳华，具有预警功能的多生理参数采集装置，2013.08.14，中国，
ZL8.7。
