Melchor Potestas

Melchor Potestas

Materials Scientist and Physicist

Iligan, Philippines



What's the difference?

Over the past 10 years, I developed my technical writing skills in different fields of interest. These different fields include science research, specifically materials science and physics. I am also indulge in writing news, feature articles that promote human interests, technical documents for business, manuals, ebooks, and other materials. My skills also include designing presentations, multimedia expert, making flyers, tarpaulins, and other print media. My core competency lies in complete end…


Melchor Potestas has added 15 portfolio pieces. Create an account to review them.

Work History & Feedback

8 x 20 page reports on various photography topics and techniques

5 hrs @ $8.89/hr
Earned $44

ebook series2

“Melchor is one of the better Philippine contractors I have used. I would use him again for any project that didn't require better English.”
Fixed Price $43

Writer - 3 'classes' on recruitment process

“Melchor did a great job, he was responsive, always available, meet deadlines. I trialled a number of contractors for this task and proceed with someone who had stronger qualifications and an understanding of stronger understanding of the topic”
2 hrs @ $8.89/hr
Earned $18

Editing and Proofreading Project for 3 Books

“Amazing to work with and I will continue to work with this person! =D”
136 hrs @ $4.44/hr
Earned $443

Create a powerpoint template from existing powerpoint design

“Melchor was very quick in delivery and had great communication. Would happily work with again.”
Fixed Price $22

Writing Assistant/Clip Art Expert for Math Specs

“Melchor's work was outstanding, delivered on time, and included all the key elements. We are hoping to continue our work relationship with Melchor.”
Fixed Price $6

Create Articles For Internal Company Blog and External Blog Sites

Job in progress

79 hrs @ $8.89/hr
Earned $699
Tests Taken
Name Percentile Score

English Spelling Test (U.S. Version)


English Vocabulary Test (U.S. Version)


MS PowerPoint 2007 Test


MS Word 2000 Test


Office Skills Test


U.S. English Basic Skills Test


UK English Basic Skills Test


Windows XP Test