Summary
Overview
Work History
Education
Skills
Certification
References
Professional Memberships
Affiliations
Accomplishments
Languages
Related Teaching Experience
References
Timeline
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Christian David Serna

B.S./M.A.T., NYS Certified Biology And General Science 7–12 | Centereach ,NY

Summary

Hands-on science teacher committed to promoting student learning with diverse instructional strategies and activity plans. Skillful in teaching students how to learn and develop deeper understanding of foundational skills and advanced techniques. In-depth knowledge of support plans and standardized assessments. Bilingual in Spanish and English, with strong communication skills to support diverse learners.

Overview

2
2
years of professional experience
1
1
Certification

Work History

Substitute Teacher

Lindenhurst Middle School
Lindenhurst, New York
03.2025 - 06.2025
  • Teach assigned lessons or plan age-appropriate activities as needed.
  • Maintain a respectful and safe classroom environment.
  • Adjust to varying grades, subjects, and school guidelines.
  • Build rapport with students to encourage engagement.
  • Report issues, behavior concerns, or progress to staff.
  • Follow school protocols for attendance and grading.
  • Work with administrators, staff, and fellow teachers to resolve conflict.
  • Work with students in inclusion and isolated class settings.

Contracted Tech Support

Stony Brook University
Stony Brook, New York
11.2023 - 01.2024
  • Set up hardware and software for both professional and educational use by students, professors, and staff.

Substitute Teacher

JFK Middle School
Comsewogue, New York
08.2023 - 11.2023
  • Assumed responsibility for 7th grade physical science class during teacher's emergency leave

Student Teacher

Ronkonkoma Middle School
Ronkonkoma, New York
  • Introduced and incorporated cluster questions into the exam structure of the class
  • Incorporation of phenomena, 3D learning, and virtual simulations into the classroom
  • Provided support in communicating and assisting in instructions for ELL students

Student Teacher

Robert Frost Middle School
Deer Park, New York
  • Full incorporation and use of NGSS and NYSSLS in lesson plans
  • Full incorporation of the use of phenomena, 3D learning, cooperative learning, differentiated instruction in classroom
  • Taught 7th grade inclusion classes

Education

B.S /M.A.T. - Biology

Stony Brook University
Stony Brook, New York
12.2024

Associates - Biology

Suffolk Community College
Seldon, New York
05.2020

Skills

  • Strong knowledge of biological sciences and lab safety procedures
  • Classroom management and student engagement strategies
  • Curriculum development aligned with standards
  • Proficient with educational tools: Pear Deck, Canva, Gizmos, Google Classroom, and online science simulations
  • Skilled in the basic installation of school hardware and software
  • Spanish proficiency (speaking, reading, and writing)
  • Adaptable to various grade levels and diverse learning needs
  • Clear communication and collaborative teamwork

Certification

New York State Initial Certification in Biology and General Science grades 7-12, 12/01/24

References

  • Alison Branca, Director of Science & Technology, Deer Park Union Free School District. branca-peterson.a@deerparkschools.org
  • Caren Gough, Ph.D. Lecturer, Science Teacher Preparation Program Co -Regional Director for LI Master Teacher Program, Institute for STEM Education Stony Brook University. caren.gough@stonybrook.edu
  • Jackie Salerno, Ronkonkoma Middle School Science Teacher
  • Kelly McNulty, ASD Bridge Program Director, Town of Babylon. 631-767-7800
  • Marissa HilleBrand, Lead Teacher ASD Bridge Program, Town of Babylon
  • Natalie Birnbaum, Robert Frost Middle School Science Teacher. birnbaum.n@deerparkschools.org
  • Zuzana Zachar, Director, MAT in Biology, Institute for STEM Education and Dept of Biochemistry & Cell Biology Stony Brook University. Zuzana.Zachar@stonybrook.edu

Professional Memberships

Science Teacher Association of New York State (STANYS)

Affiliations

  • National Society of Leadership and Success.
  • Science Teacher Association of New York State (STANYS)

Accomplishments

  • Honors Program at Suffolk Community College.
  • Academic Honor Roll at Stony Brook University.

Languages

English
Native/ Bilingual
Spanish
Native/ Bilingual

Related Teaching Experience

Substitute Teacher
Lindenhurst Middle School, Lindenhurst, NY | 03/01/25 – 06/01/25
Led daily instruction across multiple subjects and grade levels. Maintained classroom order, supported inclusive and self-contained settings, and followed school protocols. Collaborated with staff and communicated student needs and progress.

Substitute Teacher
JFK Middle School, Comsewogue, NY | 08/01/23 – 11/01/23
Filled in on short emergency leave, delivering instruction and maintaining continuity of learning.

References

References available upon request.

Timeline

Substitute Teacher

Lindenhurst Middle School
03.2025 - 06.2025

Contracted Tech Support

Stony Brook University
11.2023 - 01.2024

Substitute Teacher

JFK Middle School
08.2023 - 11.2023

Student Teacher

Ronkonkoma Middle School

Student Teacher

Robert Frost Middle School

B.S /M.A.T. - Biology

Stony Brook University

Associates - Biology

Suffolk Community College

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