William Matuguina

William M.

Sylmar, CA
Teaching Locations:
Profile-location-online Online
Profile-location-studio Teacher's Studio
Profile-location-home Student's Home
Teaching Locations:
Profile-location-online Online
Profile-location-studio Teacher's Studio
Profile-location-home Student's Home
Levels taught:
HS and College Probability and Statistics

About William M.

I want to teach/help college and high school students (grades 9-12) to learn more and improve their grades.


Write a Review
9 Reviews
Bia Pantell
Profile-location-online Online


Posted Apr 29, 2016
Shideh S.
Profile-location-studio Teacher's Studio

He is kind, understanding, highly experienced and takes the time to guide you. I couldn't ask for more.

Posted Dec 12, 2015
Naimah M.
Profile-location-home Student's Home

I gave William 5 stars because he's the best. He is good at what he does. When ever I was getting into a panic state, William will keep calm and cool as a cucumber.
He takes his time to explain concepts when you don't understand. he will keep working with you until you meet your objectives. I'm happy with my sections with him right now, and will keep working with him. He's one of the most pleasant person I have ever met. Thanks William.

Posted Jul 21, 2015
Profile-location-online Online

William is great. He helped me with accounting and he was very helpful. Great response time. Very Pleased.

Posted Apr 6, 2015
Allie S.
Profile-location-studio Teacher's Studio

William is wonderful and is always concern about the student doing well on the subject being reviewed. He tries his best to accommodate to the time of lessons when needed.

Posted Nov 27, 2014
Sonia P.
Profile-location-online Online

I have been doing tutoring with William for a couple weeks now and he is amazing at guiding me through the bumpy road of AP Physics. Although communication means can be a bit difficult since I was a newbie to the whole "online tutoring" thing, I realized that it was worth the struggle. Before, I had very little knowledge on the subject and did not understand most of what I was doing. William was very patient and explained every step to getting the solution on the endless problems I gave him, plus he knew every answer without even thinking twice! Even though I have a very tight schedule, he is super understanding about my constant changes in tutoring times. I would highly recommend him to anyone who needs a very polite and helpful tutor for physics!!!

Posted Nov 20, 2014
Ghassan S.

Great tutor, very knowledgeable in chemistry. Though we were in different time zones he was always there to answer my questions and gets back to me very rapidly via email or even a text with a sophisticated and detailed explanation of things I struggled with. I personally recommend his assistance.

Posted Oct 13, 2014
Christine A.
Profile-location-studio Teacher's Studio

What can I say, Mr. William is great! I'm not very good at math, so when I found out that I needed a Statistics class I was terrified. Mr. William is the only reason I passed that class…with an A- no less. He was very knowledgeable and supportive. If you need help with math, look no further!

Posted Aug 15, 2014
Walter J.
Profile-location-online Online

William's number one asset is patience with his students. He is very knowledgeable in an array of subjects and his the training and experiences to give the student a 360 look into the subject at hand. I will be coming back.

Posted Jul 31, 2014

Photos & Videos

4 Photos & Videos


Substitute High School (9-12) Teacher
Apr 2014 - Present

Los Angeles Unified School District

Teaches Any Math subject and Chemistry for grades 9-12.

Tutor (Independent)
Oct 2013 - Present


Tutors mostly Math and chemistry, and TEAS/CBEST prep, Pharmacology, and Accounting

College Tutor
Feb 2014 - May 2015


Tutors any Math, Chemistry, Accounting, Chemical Technology, Wastewater Technology, and Statistics.

Environmental Engineer/Scientist
May 1993 - Aug 2003


Worked independently for various clients and had also contracts with international institutions such as UNIDO, USAID, AusAID, ILO, UNEP, and JICA.

Associate Professor (P/T)
Jun 1995 - Mar 2003


Taught Waste water/Air pollution, Environmental Management Systems (ISO 13000 series), Clean Technology, Waste Minimization programs.

Environmental Engineer
May 1991 - May 1993

National Titanium Dioxide Co. (Saudi Arabia)

As plant environmental engineer for air, water, and solid/hazardous wastes.

Feb 1985 - May 1991

National Power Corporation

Worked as water and fuel chemist for 7 years


Chemical Technology (AS)
Sep 2009 - Jun 2013

Los Angeles Trade Technical College

Environmental Engineering (MS)
Jun 1989 - Jun 1992


Human Resources Management (18 units post graduate)
Jun 1988 - May 1989


MBA (graduate degree)
Jun 1986 - May 1989


Chemical Engineering (BS, magna cum laude)
Jun 1979 - Mar 1984



Filipino (Tagalog, Cebuano)

Fluent / Native Proficiency


Limited Proficiency


CSET Mathematics
Jun 2015

California Commission on Teacher Credentialling

Credential for teaching HS Math
CSET Chemistry
Apr 2015

California Commission on Teacher Credentialling

Credential for teaching Chemistry in High School.
Certified Pharmacy Technician
Nov 1996

Pharmacy Technician Certification Board

Passed the certification with high marks


Magna cum laude
Mar 1984

USC Phils.

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