Name
Age
Position
Michael Hsing
60
President, Chief Executive Officer and Director
Bernie Blegen
62
Vice President and Chief Financial Officer
Deming Xiao
57
President of Asia Operations
Maurice Sciammas
60
Senior Vice President of Worldwide Sales and Marketing
Saria Tseng
49
Vice President, Strategic Corporate Development, General Counsel and Corporate Secretary
information about executive officers .
information regarding our executive officers as of february 28 2020 is as follows : .
michael hsing has served on our board of directors and has served as our president and chief executive officer since founding mps in august 1997 .
prior to founding mps mr .
hsing was a senior silicon technology developer at several analog ic companies where he developed and patented key technologies which set new standards in the power electronics industry .
mr .
hsing is an inventor on numerous patents related to the process development of bipolar mixed-signal semiconductor manufacturing .
mr .
hsing holds a b .
s .
e .
e .
from the university of florida .
bernie blegen has served as our chief financial officer since july 2016 and is responsible for finance accounting tax treasury and investor relations .
from august 2011 to june 2016 mr .
blegen served as our corporate controller .
prior to joining mps mr .
blegen held a number of executive finance and accounting positions for other publicly traded technology companies including xilinx inc .
and credence systems .
mr .
blegen holds a b .
a .
from the university of california santa barbara .
deming xiao has served as our president of asia operations since january 2008 .
since joining us in may 2001 mr .
xiao has held several executive positions including foundry manager and senior vice president of operations .
before joining mps from june 2000 to may 2001 mr .
xiao was engineering account manager at chartered semiconductor manufacturing inc .
prior to that mr .
xiao spent six years as the manager of process integration engineering at fairchild imaging sensors .
mr .
xiao holds a b .
s .
in semiconductor physics from sichuan university chengdu china and an m .
s .
e .
e .
from wayne state university .
maurice sciammas has served as our senior vice president of worldwide sales and marketing since 2007 .
mr .
sciammas joined mps in july 1999 and served as vice president of products and vice president of sales -excluding greater china until he was appointed to his current position .
before joining mps he was director of ic products at supertex from 1990 to 1999 .
he has also held positions at micrel inc .
he holds a b .
s .
e .
e .
degree from san jose state university .
saria tseng has served as our vice president general counsel and corporate secretary since 2004 and additionally as our vice president strategic corporate development since 2009 .
ms .
tseng joined the company from maxxan systems inc .
where she was vice president and general counsel from 2001 to 2004 .
previously ms .
tseng was an attorney at gray cary ware & freidenrich llp and jones day reavis & pogue .
ms .
tseng is a member of the state bar in both california and new york and is a member of the bar association of the republic of china -taiwan .
ms .
tseng currently serves on the board of directors of super micro computer inc .
a global leader in high performance server technology .
ms .
tseng holds masters of law degrees from the university of california at berkeley and the chinese culture university in taipei .

Question: What is the collective number of years that Mr Xiao and Mr Sciammas have been working for at MPS?
Answer: 40