Doctor in Medicine and Surgery.
Manager of General and Digestive Surgery Service.
Doctor in Medicine and Surgery from Valladolid University with the Doctoral Thesis titled “Disease and Society: The life and death in Simancas ( 1550-1920 )” that was awarded a prize and subsequently published ( Publishing Prov., Valladolid, 1992.
Founder Fellow of the Spanish Society of Obesity Surgery (SECO), 1997.
Founder Fellow of the Spanish Society of Laparoscopic Surgery (SECLA), 1999.
Active Fellow of the Spanish Association of Surgery ( AEC ), 1978.
Fellow and representative of Spain in the Latin American Society of Endoscopic Surgery (ALACE), 1996.
Active Fellow of the Spanish Association of Digestive Pathology ( SEPD ), 1979.
Founder Fellow of the Castilla y Leon Association of Gastrointestinal Tract ( ACAD ), 1985.
Founder Fellow of the Castilla y Leon Association of Surgery ( ACIRCAL ), 1999.
Chairman of the III International Conference of the Spanish Society of Laparoscopic Surgery (SECLA), Valladolid, Oct, 2003.
Chairman of the VII International Conference of the Spanish Society of Obesity Surgery (SECO), Valladolid, Oct, 2004.

Manager and principal Surgeon of 34 Workshops of Advanced Laparoscopic Surgery and Obesity Surgery by Laparoscopy performed in Spain and other 21 Workshops performed in different countries of Europe, Latin America, Asia and USA, with live Surgery for more than 700 Surgeons throughout the world, 1995-2005.

Author or Co-author of 12 Books about Laparoscopic and Obesity Surgery and 2 ones more in Printing.
Author or Co-author of more than 130 Scientific Articles, most of them about Laparoscopic and Obesity Surgery and published in International Magazines.
Author or Co-author of more than 200 Communications to National and International Conferences, especially about Laparoscopic, Robotic and Obesity subjects.

Speaker or Chairman in more than 150 Symposia, Round Tables or Lectures in National and International Conferences.

Elect President of the Mediterranean and Middle Eastern Endoscopic Surgery Association ( MMESA ), and Congress President in MĂĄlaga (Spain ), 25-27th, October, 2006.

Manager of the First Multidisciplinary Course of Endoscopic and Robotic Wound Sutures. Valladolid, 28-29th, April, 2005.

Membership of:
The Academy of Sciences of New York, 1996.
The American Association of Advancement of Sciences, 1997.
The National Geographic Society, 1996.
The European Association for Endoscopic Surgery ( EAES ), 1994.
The International Federation for the Surgery of Obesity ( IFSO ), 1997.
The Society of Laparoendoscopic Surgeons ( SLS ), 1997.
The Board of the Mediterranean and Middle Eastern Endoscopic Surgery Association ( MMESA ), 2002.

At the moment:
Specialist in Advanced Laparoscopic Surgery.
Specialist in Advanced Robotic and Endoscopic Surgery.
Specialist in Obesity Treatment and Laparoscopic-Robotic Obesity Surgery.

President of the Castilla y Leon Association for the Promotion of the Laparoscopic and Endoscopic Surgery. Valladolid, Spain, 2002-2005.
President of the Mediterranean and Middle Eastern Endoscopic Surgery Association ( MMESA )

Manager of the Centre of excellence for the Study and Treatment of Diseases related to Nutrition and Obesity ( CTO ).