Andres B.

What do you want to work on?

About Andres B.

Subjects

Chemistry, Elementary (3-6) Math, Midlevel (7-8) Math, Midlevel (7-8) Science, Spanish

Education

Bachelors in Chemistry, General from Universidad Nacional de Colombia

Career Experience

I am a chemist, with experience in organic synthesis and statistical analysis. I have worked in chemometrics applied to cosmetics, instrumental analysis, and biopolymers spectroscopy. I have designed and taught courses about statistical inference applied to chemistry and uncertainty estimation of chemical measurements.

I Love Tutoring Because

I love how it feels to share knowledge with those who need it and be present in the learning process of students.

Other Interests

Cycling, Hiking, Programming, Yoga

Reviews (1,603)

Fatyhma

Foreign Language - Spanish

Dec 9, 2025

grate help

Janelle

Science - Chemistry

Dec 5, 2025

very great, helpful, and great at explaining

Anitha

Math - Midlevel (7-8) Math

Dec 2, 2025

He was very good at explaining,and very helpful and make me more confident about my grades and homework.

Maya

Science - Chemistry

Nov 28, 2025

One of the best sessions!

James

Foreign Language - Spanish

Nov 26, 2025

helps

Hadley

Foreign Language - Spanish

Nov 23, 2025

It was helpful

Satindra

Science - Midlevel (7-8) Science

Nov 17, 2025

This is a great first time doing tutor.com, so it is a great resource for help with different subjects

Adelynn

Science - Midlevel (7-8) Science

Nov 17, 2025

I like how it offers multiple options for help, and also it made me feel confident cause im getting 1-on-1 help, something thats hard to get with teachers.

Gina

Foreign Language - Spanish

Nov 11, 2025

They helped me get through my assignments.

Aniyah

Science - Chemistry

Nov 5, 2025

He’s the best!!

Katherine

Science - Chemistry

Nov 5, 2025

awesome

Brooke

Science - Midlevel (7-8) Science

Oct 31, 2025

I thought that he was very helpful and he explained it very well

Celeste

Foreign Language - Spanish

Oct 30, 2025

Andres was great help!

Adyson

Science - Chemistry

Oct 30, 2025

He was awesome

candylishous

Math - Midlevel (7-8) Math

Oct 20, 2025

he really helped alot

Adilah

Foreign Language - Spanish

Oct 20, 2025

Very kind and helpful

STELLA

Science - Chemistry

Oct 14, 2025

amazing patient tutor.

GLORIA

Science - Chemistry

Oct 14, 2025

Great he was really nice and helpful

ETHEL

Math - Elementary (3-6) Math

Oct 14, 2025

he was very nice and kind he is the best torder i ever had

Regan

Foreign Language - Spanish

Oct 9, 2025

the chat box started glitching and i couldnt open it back up after i viewed the whiteboard which made things vey complicated and hard to communicate but that might be an issue on my end, not the websites'.

Yajaira

Science - Midlevel (7-8) Science

Oct 7, 2025

He helped me with what I need.

Osasogie

Math - Elementary (3-6) Math

Oct 6, 2025

this help me alot

Gavin

Science - Chemistry

Oct 3, 2025

This is a quick easy game changer!!

Mat

Science - Chemistry

Oct 2, 2025

Andres was awesome!!!

Aaradhita

Science - Midlevel (7-8) Science

Sep 30, 2025

good

Logan

Math - Elementary (3-6) Math

Sep 30, 2025

Excellent job

Mahipal

Math - Primary (K-2) Math

Sep 29, 2025

umm pretty good session

Azriel

Math - Elementary (3-6) Math

Sep 27, 2025

He is hilarious kind and patent

Joseph

Science - Chemistry

Sep 23, 2025

really good guy

Marlene

Foreign Language - Spanish

Sep 22, 2025

Andres B. was very helpful!

Salvatore

Foreign Language - Spanish

Sep 19, 2025

Super, insanely, Fantastic, and Genial Spanish tutor!!!!!!!!!!

Azriel

Math - Elementary (3-6) Math

Sep 18, 2025

he was a very very nice teacher and he was very patient.

Kylie

Foreign Language - Spanish

Sep 17, 2025

he was amazing with me and very understand.

Keven

Math - Elementary (3-6) Math

Sep 15, 2025

awesome they make me feel like I belong!

jason

Science - Chemistry

Sep 10, 2025

Jalen

Foreign Language - Spanish

Sep 9, 2025

Very helpful and patient.

Zane

Science - Elementary (3-6) Science

Sep 2, 2025

I am spech los in a good way

Olivia

Science - Chemistry

Aug 28, 2025

thank you

Rachel

Science - Chemistry

Aug 23, 2025

very patient with me, very helpful and made sure i understood. i did not feel judged

Diana

Science - Chemistry

Aug 23, 2025

very nice, worked on the problems I needed help with me. Was able to learn a lot

Camille

Science - Chemistry

Aug 21, 2025

This was helpful for me to build a foundation in my chemistry class and complete homework

Jaelan

Science - Chemistry

Aug 21, 2025

Helped me a lot getting the hang of subtracting fractions

Josea

Science - Chemistry

Aug 10, 2025

Andres was awesome and patient!

Sebastian

Science - Chemistry

Jul 29, 2025

Good Tutor!

Sebastian

Science - Chemistry

Jul 26, 2025

Good Tutor!

Lisa

Science - Chemistry

Jul 24, 2025

He was just a peach! So very smart, great listener, and so patient with me. A truly great person.

Seema

Science - Chemistry

Jul 20, 2025

Love this!

Alliah

Science - Chemistry

Jul 17, 2025

so helpful really helped me learn the content better.

Austin

Science - Chemistry

Jul 9, 2025

this was awesome! thank you so much!

Naresh

Science - Chemistry

Jul 6, 2025

Andres really helped me understand my Biochemistry lab. He has knowledge of what he's helping with.

Sebastian

Science - Chemistry

Jul 5, 2025

Good Tutor

Sebastian

Science - Chemistry

Jul 3, 2025

very good tutor!

Zenaida

Science - Chemistry

Jun 28, 2025

Andres B is an excellent tutor. He walks a student through steps and gives them time to work a problem to answer it and discusses the outcome of why it is correct or incorrect.

Angelique

Science - Chemistry

Jun 21, 2025

This was a great tutoring experience. He provided me with the visual and written feedback to help me understand importance chemistry concepts.

Sarai

Science - Chemistry

Jun 19, 2025

My chemistry tutor was amazing at helping me convert between units. I had an amazing session.

Sebastian

Science - Chemistry

Jun 17, 2025

Good Tutor!

Sebastian

Science - Chemistry

Jun 17, 2025

Good tutore

CyErra

Science - Chemistry

Jun 7, 2025

Organic chemistry is hard, plus we are doing a seven week course so it is a lot to learn. However I feel more confident. I was following along on lectures, but getting confused on my own.

Angelica

Science - Chemistry

Jun 6, 2025

This is a great tutor that truly took the time to break down complex chemistry topics with written and visual feedback on the whiteboard.

Jaclyn

Science - Chemistry

Jun 5, 2025

By far the most patient tutor, doesn't give answers and helps me work through problems so I can understand them and do them myself in the future. Really helps me understand concepts instead of just robotically working through problems. 10/10

Sebastian

Science - Chemistry

Jun 1, 2025

Very good tutoR!

Sebastian

Science - Chemistry

May 28, 2025

Good tutor

Connor

Science - Chemistry

May 27, 2025

Great tutor. Very good at explaining. I thought the questions were difficult but with his help I found them much easier than I expected. Thank you, tutor.com!

Sebastian

Science - Chemistry

May 25, 2025

Good Tutor!

Sebastian

Science - Chemistry

May 24, 2025

Good Tutor!

Angelica

Science - Chemistry

May 23, 2025

Nice tutor that truly took the time to discuss chemistry formulas and equations. I truly appreciate his guidance.

Angelica

Science - Chemistry

May 16, 2025

This tutor provided great visual and written feedback that assisted me in understanding important concepts on drawing bond polarity.

Tyler

Science - Chemistry

May 15, 2025

Helped me so well and didn't do so much extra talking and let me figure it out with a little guidance

Chiara

Science - Chemistry

May 5, 2025

I am so appreciative to have a tutor so readily available. It helped so so much!

Shyanne

Science - Chemistry

May 5, 2025

the session was okay.

Robert

Science - Chemistry

May 4, 2025

Thank you

Robert

Science - Chemistry

May 4, 2025

Thank you

Robert

Science - Chemistry

May 4, 2025

Thank you

Robert

Science - Chemistry

May 3, 2025

Thank you

Donayle

Science - Chemistry

May 2, 2025

Amazing tutor. I needed help understanding and was given the tools to do so.

Owen

Science - Chemistry

Apr 29, 2025

10/10

Aliyah

Science - Chemistry

Apr 23, 2025

One of the best

Michelle

Science - Chemistry

Apr 20, 2025

SOO NICE and quick to understand and offer help best tutor ever

Jerica

Science - Chemistry

Apr 20, 2025

really helped me by explaining things with writing it out

Peyton

Science - Chemistry

Apr 16, 2025

Andres was super good and helpful and I liked the way he typed. He even showed me an image.

Robert

Science - Chemistry

Apr 13, 2025

Thank you

Brydon

Science - Chemistry

Apr 8, 2025

He really helped me understand the assignment, and helped fix a typo my teacher had made in the paper. He was really great (GET MORE PEOPLE LIKE HIM)!

Annie M.

Science - Chemistry

Apr 6, 2025

This was cool.

Mesomachi Anyanwu

Science - Chemistry

Apr 6, 2025

The best chemistry tutor I've found

Robert

Science - Chemistry

Apr 5, 2025

Thank you

lakenzie

Science - Chemistry

Apr 3, 2025

Andera was the BEST!!

Diego

En Español Science - Chemistry

Mar 28, 2025

es buen maestro ensena bien y yiene paciencia

Myra

Science - Chemistry

Mar 27, 2025

EXCELLENT

Myra

Science - Chemistry

Mar 25, 2025

excellent

Elijah

Science - Chemistry

Mar 21, 2025

Very good

Elijah

Science - Chemistry

Mar 20, 2025

very helpful!

Gannon

Science - Chemistry

Mar 17, 2025

Super helpful and also friendly as he asked me about my keyboard.

Kevin

Science - Chemistry

Mar 15, 2025

That is exactly the explanation I needed.

Elijah

Science - Chemistry

Mar 14, 2025

helpful!

Isabella

Science - Chemistry

Mar 13, 2025

supa nice

Myra

Science - Chemistry

Mar 12, 2025

very excellent tutor

Constance

Science - Chemistry

Mar 12, 2025

Andres is a rockstar! ALWAYS so helpful!

NomNom

Science - Chemistry

Mar 11, 2025

This tutor did very well

Jessica

Science - Chemistry

Mar 10, 2025

The tutor I had was okay, he did a decent job of helping me, if I have any questions, I'll know to use it again.

Robert

Science - Chemistry

Mar 9, 2025

Thank you

Nur

Science - Chemistry

Mar 8, 2025

wonderful tutor!

Robert

Science - Chemistry

Mar 4, 2025

Thank you

Robert

Science - Chemistry

Mar 4, 2025

Thank you

Isabel

Science - Chemistry

Mar 2, 2025

My tutor was able to answer my questions and help me to better understand the material.

Robert

Science - Chemistry

Feb 27, 2025

Thank you

Sebastian

Science - Chemistry

Feb 25, 2025

Very good tutor!

Amunet

Science - Chemistry

Feb 20, 2025

Very helpful.

Nico

Science - Chemistry

Feb 17, 2025

Excellent Tutor

Robert

Science - Chemistry

Feb 15, 2025

Thank you

Elijah

Science - Chemistry

Feb 13, 2025

Really helpful

Chloe

Science - Chemistry

Feb 12, 2025

I really liked my tutor, very efficient even without microphone.

Aliyah

Science - Chemistry

Feb 12, 2025

Great tutor!

Amunet

Science - Chemistry

Feb 9, 2025

I love when tutors like this are able to break things completely down so others can create their own method of thinking.

Aniyah

Science - Chemistry

Feb 7, 2025

Acts like a teacher, so kind, and patient. I love him he is going in my favorites.

Renee

Science - Chemistry

Feb 6, 2025

thank you that was very exciting

Addison

Science - Chemistry

Feb 6, 2025

It was really good but my tutor left the room before I could finish my last problem

Alisha

Science - Chemistry

Feb 4, 2025

He was kind and very thorough

Myra

Science - Chemistry

Feb 2, 2025

very excellent tutor

Myra

Science - Chemistry

Feb 1, 2025

very good

Myra

Science - Chemistry

Jan 31, 2025

EXCELLENT! EXCELLENT!

Myra

Science - Chemistry

Jan 31, 2025

andres is a very good excellent tutor.

Myra

Science - Chemistry

Jan 31, 2025

ANDRE IS AN EXCELLENT TUTOR I WOULD HIGHLY RECOMMEND.

Myra

Science - Chemistry

Jan 31, 2025

andre is a very good tutor

Myra

Science - Chemistry

Jan 28, 2025

My tutor was excellant

Shea

Science - Chemistry

Jan 26, 2025

Andres B was an actual goat. I appreciate his patience and willingness to help me with predicting the product of organic structures. give him a raise

Cailey

Science - Chemistry

Jan 22, 2025

helped me understand my conversions and preparation for my exam tomorrow

Malik

Science - Chemistry

Jan 20, 2025

Thank you Andres for your help in explaining small x approximation!

Charlie

Science - Chemistry

Jan 15, 2025

Best tutor i have ever had

Meredith

Science - Chemistry

Jan 13, 2025

Andres was helpful in clearing up. I think I'm understanding this more. Just need more practice

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