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Alexa Johnston

Girls in STEM Chapter Co-Leader at Campus Middle School

I graduated from Colorado State University in 2013 with a degree in Construction Management and Spanish.  After graduating from college, I spent three months in Argentina volunteering for Habitat for Humanity.

I have been with Mortenson Construction since 2011, and worked on a wide variety of projects ranging from hotels to office buildings to hospitals to flight training centers.  I am currently working on the construction of a private school.

As a project manager for a general contractor, I work closely with the owner, project team, and subcontractors to deliver buildings on time, safely, and on budget.


Daryn Giddings

Girls in STEM Chapter Co-Leader at Campus Middle School

I received my degree in Construction Management through the Boise State College of Engineering in 2012. My college years were spent volunteering for the Boise AGC Student Chapter where we planned and executed small construction projects throughout town, where my love for construction and interest in volunteering really developed.

I am currently in my 6th year with Mortenson construction where I am a Senior Project Engineer. My entire career has been spent on jobsites ranging from college football stadiums to hotels.  At the end of 2017 I transferred from Arizona to Colorado with my family to continue my career in construction.

Working as a General Contractor, my job includes managing subcontractors, scheduling, safety/quality control and coordinating different construction elements as they are installed in the field.


Julianna Oviedo

Girls in STEM Chapter Leader at Thunder Ridge Middle School

Julianna Oviedo is a third year undergraduate at the University of Colorado Denver. She is majoring in Biochemistry and is on a pre-medicine track. She is currently researching in two different labs – one dealing with growing and treating prostate cancer cells under different conditions, and the other working with proteins involved in insulin secretion. Julianna has interned at multiple STEM-related facilities such as Lockheed Martin and the University of Colorado Hospital, and she hopes to encourage more girls to pursue STEM pathways as well as see them develop into confident women who aren’t afraid to fulfill their aspirations.

Aditi Ravindranath

Girls in STEM Volunteer Coordinator

Aditi studied molecular biology in graduate school. She researched transcriptional regulatory mechanisms in cell signalling pathways and studied their impact on human development and disease, including colorecatal cancer. After graduation, she joined a healthcare consulting company as a life science consultant. She works closely with pharmaceutical, biotechnology, and medical device companies to help bring innovative healthcare technologies to the market. She has worked across multiple therapeutic areas including oncology, immunology, infectious diease, neuroscience, and cardiovascular and metabolic disorders.


Mandy Perras

Girls in STEM South Metro High School Chapter Leader

Always wanting to challenge myself, I've eagerly sought out an education in Bioengineering to combine my love of learning and my desire of helping others. I'm currently pursuing a Master of Science in Bioengineering at the University of Colorado Anschutz Medical Campus, and serve as President of the Biomedical Engineering Society. I enjoy being involved with my STEM community and want to help others join the interesting and challenging world of STEM!


Rebecca Evrard

Rebecca Evrard is an Atmospheric Scientist currently working at Kleinfelder in Denver, Colorado as an Air Quality Permitting Professional.

Rebecca is a New Jersey native who graduated from Rutgers University with a BS in Meteorology before moving to Texas to complete her MS in Atmospheric Science at Texas A&M University. Immediately after graduation, she moved from Texas to Colorado to pursue a career in Atmospheric Science.

Rebecca began volunteering for Girls in STEM Denver in 2017, but has long been an advocate for girls and women in STEM. She looks forward to helping with social media and events, as well as encouraging girls throughout the organization to pursue their dreams in STEM fields.

Emily Singer

Hello, I’m Emily Singer! My passion for renewable energy came during high school while watching the destruction taking place during the BP oil spill in the Gulf Coast. I was haunted by the images of wildlife and humans suffering by the drilling of fossil fuels, and from there my desire for researching renewable energy and environmental protection was formed. In college I studied biology, environmental science, and government to get a better understanding of how to best protect our environment while working with our country's governing bodies, fueling my interest in politics and activism. After graduation from Skidmore College with Honors in Biology, I moved to Denver to work at the National Renewable Energy Laboratory, where I research renewable chemicals and energy that could be generated by yeast and bacteria. During this time, I wanted to get involved in organizations that empowered young women, particularly those interested in STEM, which is how I discovered the wonderful organization Girls in STEM. I have been participating in this organization since the Fall of 2016, and it has been an absolute privileged merging my passion for science for my desire to empower young women to be leaders, especially in the STEM field. I am currently working at Gevo, a company making isobutanol from yeast to make renewable fuel and chemicals, and I am exciting to share my learning experiences in labs with young women aspiring to do similar work.

Molly Hayes

Hello! I am Molly Hayes and I serve as the Scholarship Director of Girls in STEM. I have always been passionate about volunteering and helping others, and I am excited for the opportunity to serve young girls through this nonprofit organization. I held many leadership positions throughout college, and I look forward to continuing to influence and encourage others. 

I graduated with a BS in Biomedical Engineering from Baylor University, and I currently work as an engineer for a tissue bank. I have learned so much about writing validations, launching new products, and improving processes. I have also experienced what it is like to be a woman in the workforce. I have faced many challenges as a woman engineer, and I would like to see greater acceptance for women in STEM fields. I am excited to invest my time in such an incredible organization to watch these girls grow into confident young women.