연세대학교 의학과 학사(1987)
연세대학교 의학과 석사(1990)
연세대학교 의학과 박사(1998)

1995. 연세대학교 의과대학 전임강사
1997. 연세대학교 의과대학 조교수
2003. 연세대학교 의과대학 부교수
2008. 연세대학교 의과대학 교수
2009.3 - 현재 식도암전문클리닉 팀장
2010.1 - 2013.2 교육수련부 1차장
2013.3 - 현재 소화기내시경실장

대한소화기학회 학술위원
대한소화기내시경학회 편집위원
대한 H.pylory 연구학회 전산위원장
대한소화관운동학회 학술위원
Gut and Liver (SCIE 등재)-deputy editor
대한소화기내시경학회 섭외이사
대한 H.pylory 연구학회 섭외이사
대한소화관운동학회 감사
J Gastroenterol Hepatol (SCI) associate editor
대한소화기내시경학회 윤리및질관리이사
대한상부위장관.헬리코박터학회 무임소이사

Treatment outcome of localized Helicobacter pylori-negative low-grade gastric MALT lymphoma. World J Gastroenterol. 2010 May 7 (correspondence);16(17):2158-62.
Achalasia combined with esophageal cancer treated by concurrent chemoradiation therapy. Gut Liver. 2009 Dec(correspondence);;3(4):329-33. Epub 2009 Dec 31.
Predictive factors for local recurrence after endoscopic resection for early gastric cancer: long-term clinical outcome in a single-center experience. Surg Endosc. 2010 Apr 29. [Epub ahead of print]
Effect of Helicobacter pylori infection on the sonic hedgehog signaling pathway in gastric cancer cells. Oncol Rep. 2010 Jun (correspondence);23(6):1523-8.
Rebamipide may be comparable to H2 receptor antagonist in healing iatrogenic gastric ulcers created by endoscopic mucosal resection: a prospective randomized pilot study. J Korean Med Sci. 2010 Apr;25(4):583-8. Epub 2010 Mar 19.
Helicobacter pylori CagA phosphorylation status determines the gp130-activated SHP2/ERK and JAK/STAT signal transduction pathways in gastric epithelial cells. J Biol Chem. 2010 May 21;285(21):16042-50 (correspondence) [Epub ahead of print]
Gastropericardial fistula as a complication in a refractory gastric ulcer after esophagogastrostomy with gastric pull-up. Yonsei Med J. 2010 Mar 1;51(2):270-2. Epub 2010 Feb 12.
Undifferentiated Histology after Endoscopic Resection May Predict Synchronous and Metachronous Occurrence of Early Gastric Cancer. Digestion. 2009 Dec 22;81(1):35-42.
Contrasting activity of Hedgehog and Wnt pathways according to gastric cancer cell differentiation: Relevance of crosstalk mechanisms. Cancer Sci 2010 Feb;101(2):328-35. Epub 2009 Oct 12
Pathological characteristics of gastrointestinal stromal tumours with PDGFRA mutations. Pathology. 2009;41(6):544-54.
Clinicopathological Features and Prognostic Factors of Proximal Gastric Carcinoma in a Population with High Helicobacter pylori Prevalence: A Single-Center, Large-Volume Study in Korea. Ann Surg Oncol. 2010 Mar;17(3):829-37. Epub 2009 Oct 31. (correspondence)
Long-Term Clinical Outcomes of Self-Expanding Metal Stents for Treatment of Malignant Gastroesophageal Junction Obstructions and Prognostic Factors for Stent Patency: Effects of Anticancer Treatments. Dig Liver Dis 2010: 42(6): 436-440. (correspondence)
Clinicopathological aspects and prognostic value with respect to age: an analysis of 3,362 consecutive gastric cancer patients. J Surg Oncol. 2009 Jun 1;99(7):395-401.(correspondence)
Endoscopic resection for undifferentiated early gastric cancer. Gastrointest Endosc. 2009 Apr;69(4):e1-9. (correspondence)
The Prevalence and clinical characteristics of esophageal involvement in patients with Behcet's disease: A single center experience in Korea. J Korean Med Sci 2009:24:52-56
Clinical Spectrum of Reflux Esophagitis Among 25,536 Koreans who Underwent a Health Check-up: A Nationwide Multicenter Prospective, Endoscopy-based Study. J Clin Gastroenterol;2009; Epub ahead of print
Effectiveness of self-expanding metal stents for malignant antropyloric and duodenal obstruction with a comparison between covered and uncovered stents. Hepatogastroenterology. 2008 Nov-Dec;55(88):2091-5.
Helicobacter pylori Eradication Therapy May Facilitate Gastric Ulcer Healing after Endoscopic Mucosal Resection: A Prospective Randomized Study. Helicobacter 2008;13:564-571. (correspondence)
Normal Ambulatory 24-Hour Esophageal pH Values in Koreans -A Multicenter Study-.J Korean Med Sci. 2008;23(6):954-958.
Endosonographic features of gastric ectopic pancreases distinguishable from mesenchymal tumors. J Gastroenterol Hepatol. 2008 Aug;23(8 Pt 2):e301-7. Epub 2008 Jun 3.
Clinical application of self-expandable metallic stent for treatment of colorectal obstruction caused by extrinsic invasive tumors. Dis Colon Rectum. 2008 May;51(5):578-83.