Leonardo Castro Guerrero

Detail-oriented professional with experience in audio review, annotation, and editing, complemented by a background in language education and academic management. Proven ability to perform critical listening, identify specific improvements, and ensure quality standards. Possesses strong problem-solving and communication skills, with a reliable internet connection suitable for remote roles.

Eager to leverage meticulous attention to detail and adaptability to excel as a Remote Customer Support Specialist or Appointment Setter.

Appointment Setter at RE Financial Solutions (2026-04 – Present)

• Real estate appointment setting.
• Highly proficient in managing high-volume outbound calling campaigns, coordinating targeted SMS outreach.
• Navigating BILT AI CRM to maintain pipeline efficiency. Combines a deep level of empathy with sharp critical listening skills to build immediate rapport with US homeowners

FREELANCE - Audio specialist at MERIDIAL MARKETPLACE (2026-04 – Present)

• Curate and collect audio prompts for a specialized audio project.

Audio Reviewer QA at BABEL AUDIO (2025-04 – 2026-02)

• Performed audio review and provided constructive feedback for multimodal AI learning systems.
• Pinpointed specific audio elements requiring enhancement and proposed re-recording strategies.
• Conducted critical listening analyses to uphold audio quality standards.

Audio Annotation (Segmentation) QA at BABEL AUDIO (2025-08 – 2025-09)

• Executed audio annotation processes for multimodal AI learning, ensuring precise and timely segmentation.
• Leveraged Audacity for efficient audio segmentation and annotation tasks.

Volunteering - Audio Editor/Processor at LA CASA DE LA SAL A.C. (2024-08 – Present)

• Edited and processed interviews and testimonies, utilizing a Zoom H4N audio recorder for stereo capture and a Sennheiser lavalier microphone for individual speaker recording.

Intern - Production and Development at GRUPO ACIR. S.A DE C.V. (2023-06 – 2024-04)

• Produced and developed radio spots for internal station needs and external clients.
• Edited and mixed podcasts, ensuring superior audio output quality.
• Managed and recorded interviews within a professional booth environment, operating multichannel consoles.
• Authored bumpers for various radio programs.
• Integrated compression, equalization, and timing plugins (delay, reverb) into the post-production workflow for all audio elements.

Private and personalized teaching and counseling at FOREIGN LANGUAGE CONSULTING (2023-01 – Present)

• Developed and delivered tailored English and French consulting and private lessons, serving as a guide and support for learners from A1 to B2 proficiency levels.

ACADEMIC MANAGER at TOTH MULTIDISCIPLINARY ACADEMY (2022-06 – 2022-12)

• Oversaw academic operations within the sales department of a language academy.

Bachelor's degree in Audio Engineering – SAE Institute (2021 – 2024)